Home / 9,964.28-13,750.15-5,487.18

Finding the Fourth Proportional to 9,964.28, 13,750.15 and 5,487.18

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Solution

The fourth proportional to 9,964.28, 13,750.15 and 5,487.18 is: 7,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.28 : 13,750.15 = 5,487.18 : x
  2. Step 2: Convert to fraction form
    9,964.28/13,750.15 = 5,487.18/x
  3. Step 3: Cross multiply
    9,964.28x = 13,750.15 × 5,487.18
  4. Step 4: Simplify right side
    9,964.28x = 75,449,548.08
  5. Step 5: Solve for x
    x = 75,449,548.08/9,964.28
  6. Step 6: Final answer
    x = 7,572.00

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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.