Home / 7,474.12-10,314.28-4,116.91

Finding the Fourth Proportional to 7,474.12, 10,314.28 and 4,116.91

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Solution

The fourth proportional to 7,474.12, 10,314.28 and 4,116.91 is: 5,681.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.12 : 10,314.28 = 4,116.91 : x
  2. Step 2: Convert to fraction form
    7,474.12/10,314.28 = 4,116.91/x
  3. Step 3: Cross multiply
    7,474.12x = 10,314.28 × 4,116.91
  4. Step 4: Simplify right side
    7,474.12x = 42,462,962.47
  5. Step 5: Solve for x
    x = 42,462,962.47/7,474.12
  6. Step 6: Final answer
    x = 5,681.33

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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.