Home / 8,080.56-11,151.10-4,543.79

Finding the Fourth Proportional to 8,080.56, 11,151.10 and 4,543.79

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Solution

The fourth proportional to 8,080.56, 11,151.10 and 4,543.79 is: 6,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.56 : 11,151.10 = 4,543.79 : x
  2. Step 2: Convert to fraction form
    8,080.56/11,151.10 = 4,543.79/x
  3. Step 3: Cross multiply
    8,080.56x = 11,151.10 × 4,543.79
  4. Step 4: Simplify right side
    8,080.56x = 50,668,256.67
  5. Step 5: Solve for x
    x = 50,668,256.67/8,080.56
  6. Step 6: Final answer
    x = 6,270.39

Related Problems

Find fourth proportional to 4,040.28, 5,575.55 and 2,271.90
Half scale
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Double scale
Find fourth proportional to 8,081.56, 11,152.48 and 4,544.79
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.