Home / 7,543.20-11,316.60-2,349.12

Finding the Fourth Proportional to 7,543.20, 11,316.60 and 2,349.12

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Solution

The fourth proportional to 7,543.20, 11,316.60 and 2,349.12 is: 3,524.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.20 : 11,316.60 = 2,349.12 : x
  2. Step 2: Convert to fraction form
    7,543.20/11,316.60 = 2,349.12/x
  3. Step 3: Cross multiply
    7,543.20x = 11,316.60 × 2,349.12
  4. Step 4: Simplify right side
    7,543.20x = 26,584,051.39
  5. Step 5: Solve for x
    x = 26,584,051.39/7,543.20
  6. Step 6: Final answer
    x = 3,524.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.