Home / 10,904.62-15,047.18-6,123.59

Finding the Fourth Proportional to 10,904.62, 15,047.18 and 6,123.59

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Solution

The fourth proportional to 10,904.62, 15,047.18 and 6,123.59 is: 8,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,904.62 : 15,047.18 = 6,123.59 : x
  2. Step 2: Convert to fraction form
    10,904.62/15,047.18 = 6,123.59/x
  3. Step 3: Cross multiply
    10,904.62x = 15,047.18 × 6,123.59
  4. Step 4: Simplify right side
    10,904.62x = 92,142,749.17
  5. Step 5: Solve for x
    x = 92,142,749.17/10,904.62
  6. Step 6: Final answer
    x = 8,449.88

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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.