Home / 9,049.49-12,489.53-5,071.45

Finding the Fourth Proportional to 9,049.49, 12,489.53 and 5,071.45

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Solution

The fourth proportional to 9,049.49, 12,489.53 and 5,071.45 is: 6,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,049.49 : 12,489.53 = 5,071.45 : x
  2. Step 2: Convert to fraction form
    9,049.49/12,489.53 = 5,071.45/x
  3. Step 3: Cross multiply
    9,049.49x = 12,489.53 × 5,071.45
  4. Step 4: Simplify right side
    9,049.49x = 63,340,026.92
  5. Step 5: Solve for x
    x = 63,340,026.92/9,049.49
  6. Step 6: Final answer
    x = 6,999.29

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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.