Home / 10,862.38-14,990.40-6,082.18

Finding the Fourth Proportional to 10,862.38, 14,990.40 and 6,082.18

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Solution

The fourth proportional to 10,862.38, 14,990.40 and 6,082.18 is: 8,393.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.38 : 14,990.40 = 6,082.18 : x
  2. Step 2: Convert to fraction form
    10,862.38/14,990.40 = 6,082.18/x
  3. Step 3: Cross multiply
    10,862.38x = 14,990.40 × 6,082.18
  4. Step 4: Simplify right side
    10,862.38x = 91,174,311.07
  5. Step 5: Solve for x
    x = 91,174,311.07/10,862.38
  6. Step 6: Final answer
    x = 8,393.59

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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.