Home / 8,276.38-11,421.40-4,550.38

Finding the Fourth Proportional to 8,276.38, 11,421.40 and 4,550.38

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Solution

The fourth proportional to 8,276.38, 11,421.40 and 4,550.38 is: 6,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.38 : 11,421.40 = 4,550.38 : x
  2. Step 2: Convert to fraction form
    8,276.38/11,421.40 = 4,550.38/x
  3. Step 3: Cross multiply
    8,276.38x = 11,421.40 × 4,550.38
  4. Step 4: Simplify right side
    8,276.38x = 51,971,653.03
  5. Step 5: Solve for x
    x = 51,971,653.03/8,276.38
  6. Step 6: Final answer
    x = 6,279.52

Related Problems

Find fourth proportional to 4,138.19, 5,710.70 and 2,275.19
Half scale
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Double scale
Find fourth proportional to 8,277.38, 11,422.78 and 4,551.38
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.