Home / 13,082.08-18,052.88-7,417.35

Finding the Fourth Proportional to 13,082.08, 18,052.88 and 7,417.35

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Solution

The fourth proportional to 13,082.08, 18,052.88 and 7,417.35 is: 10,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.08 : 18,052.88 = 7,417.35 : x
  2. Step 2: Convert to fraction form
    13,082.08/18,052.88 = 7,417.35/x
  3. Step 3: Cross multiply
    13,082.08x = 18,052.88 × 7,417.35
  4. Step 4: Simplify right side
    13,082.08x = 133,904,441.61
  5. Step 5: Solve for x
    x = 133,904,441.61/13,082.08
  6. Step 6: Final answer
    x = 10,235.71

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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.