Home / 9,724.12-14,586.28-5,339.20

Finding the Fourth Proportional to 9,724.12, 14,586.28 and 5,339.20

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Solution

The fourth proportional to 9,724.12, 14,586.28 and 5,339.20 is: 8,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.12 : 14,586.28 = 5,339.20 : x
  2. Step 2: Convert to fraction form
    9,724.12/14,586.28 = 5,339.20/x
  3. Step 3: Cross multiply
    9,724.12x = 14,586.28 × 5,339.20
  4. Step 4: Simplify right side
    9,724.12x = 77,879,066.18
  5. Step 5: Solve for x
    x = 77,879,066.18/9,724.12
  6. Step 6: Final answer
    x = 8,008.85

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Similar ratio
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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.