Home / 10,095.28-13,931.40-5,618.92

Finding the Fourth Proportional to 10,095.28, 13,931.40 and 5,618.92

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Solution

The fourth proportional to 10,095.28, 13,931.40 and 5,618.92 is: 7,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.28 : 13,931.40 = 5,618.92 : x
  2. Step 2: Convert to fraction form
    10,095.28/13,931.40 = 5,618.92/x
  3. Step 3: Cross multiply
    10,095.28x = 13,931.40 × 5,618.92
  4. Step 4: Simplify right side
    10,095.28x = 78,279,422.09
  5. Step 5: Solve for x
    x = 78,279,422.09/10,095.28
  6. Step 6: Final answer
    x = 7,754.06

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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.