Home / 9,050.16-12,489.84-5,071.20

Finding the Fourth Proportional to 9,050.16, 12,489.84 and 5,071.20

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Solution

The fourth proportional to 9,050.16, 12,489.84 and 5,071.20 is: 6,998.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.16 : 12,489.84 = 5,071.20 : x
  2. Step 2: Convert to fraction form
    9,050.16/12,489.84 = 5,071.20/x
  3. Step 3: Cross multiply
    9,050.16x = 12,489.84 × 5,071.20
  4. Step 4: Simplify right side
    9,050.16x = 63,338,476.61
  5. Step 5: Solve for x
    x = 63,338,476.61/9,050.16
  6. Step 6: Final answer
    x = 6,998.60

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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.