Home / 10,082.28-15,123.42-4,888.92

Finding the Fourth Proportional to 10,082.28, 15,123.42 and 4,888.92

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Solution

The fourth proportional to 10,082.28, 15,123.42 and 4,888.92 is: 7,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.28 : 15,123.42 = 4,888.92 : x
  2. Step 2: Convert to fraction form
    10,082.28/15,123.42 = 4,888.92/x
  3. Step 3: Cross multiply
    10,082.28x = 15,123.42 × 4,888.92
  4. Step 4: Simplify right side
    10,082.28x = 73,937,190.51
  5. Step 5: Solve for x
    x = 73,937,190.51/10,082.28
  6. Step 6: Final answer
    x = 7,333.38

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1.5x scale

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.