Home / 7,439.18-10,266.35-4,082.13

Finding the Fourth Proportional to 7,439.18, 10,266.35 and 4,082.13

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Solution

The fourth proportional to 7,439.18, 10,266.35 and 4,082.13 is: 5,633.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.18 : 10,266.35 = 4,082.13 : x
  2. Step 2: Convert to fraction form
    7,439.18/10,266.35 = 4,082.13/x
  3. Step 3: Cross multiply
    7,439.18x = 10,266.35 × 4,082.13
  4. Step 4: Simplify right side
    7,439.18x = 41,908,554.91
  5. Step 5: Solve for x
    x = 41,908,554.91/7,439.18
  6. Step 6: Final answer
    x = 5,633.49

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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.