Home / 10,475.12-15,718.16-4,635.72

Finding the Fourth Proportional to 10,475.12, 15,718.16 and 4,635.72

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Solution

The fourth proportional to 10,475.12, 15,718.16 and 4,635.72 is: 6,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,475.12 : 15,718.16 = 4,635.72 : x
  2. Step 2: Convert to fraction form
    10,475.12/15,718.16 = 4,635.72/x
  3. Step 3: Cross multiply
    10,475.12x = 15,718.16 × 4,635.72
  4. Step 4: Simplify right side
    10,475.12x = 72,864,988.68
  5. Step 5: Solve for x
    x = 72,864,988.68/10,475.12
  6. Step 6: Final answer
    x = 6,956.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.