Home / 7,146.10-9,862.14-4,314.17

Finding the Fourth Proportional to 7,146.10, 9,862.14 and 4,314.17

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Solution

The fourth proportional to 7,146.10, 9,862.14 and 4,314.17 is: 5,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.10 : 9,862.14 = 4,314.17 : x
  2. Step 2: Convert to fraction form
    7,146.10/9,862.14 = 4,314.17/x
  3. Step 3: Cross multiply
    7,146.10x = 9,862.14 × 4,314.17
  4. Step 4: Simplify right side
    7,146.10x = 42,546,948.52
  5. Step 5: Solve for x
    x = 42,546,948.52/7,146.10
  6. Step 6: Final answer
    x = 5,953.87

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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.