Home / 10,041.30-13,856.85-5,565.06

Finding the Fourth Proportional to 10,041.30, 13,856.85 and 5,565.06

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Solution

The fourth proportional to 10,041.30, 13,856.85 and 5,565.06 is: 7,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.30 : 13,856.85 = 5,565.06 : x
  2. Step 2: Convert to fraction form
    10,041.30/13,856.85 = 5,565.06/x
  3. Step 3: Cross multiply
    10,041.30x = 13,856.85 × 5,565.06
  4. Step 4: Simplify right side
    10,041.30x = 77,114,201.66
  5. Step 5: Solve for x
    x = 77,114,201.66/10,041.30
  6. Step 6: Final answer
    x = 7,679.70

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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.