Home / 10,042.03-13,858.02-5,565.70

Finding the Fourth Proportional to 10,042.03, 13,858.02 and 5,565.70

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Solution

The fourth proportional to 10,042.03, 13,858.02 and 5,565.70 is: 7,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.03 : 13,858.02 = 5,565.70 : x
  2. Step 2: Convert to fraction form
    10,042.03/13,858.02 = 5,565.70/x
  3. Step 3: Cross multiply
    10,042.03x = 13,858.02 × 5,565.70
  4. Step 4: Simplify right side
    10,042.03x = 77,129,581.91
  5. Step 5: Solve for x
    x = 77,129,581.91/10,042.03
  6. Step 6: Final answer
    x = 7,680.68

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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.