Home / 9,983.39-13,776.90-5,507.57

Finding the Fourth Proportional to 9,983.39, 13,776.90 and 5,507.57

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Solution

The fourth proportional to 9,983.39, 13,776.90 and 5,507.57 is: 7,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.39 : 13,776.90 = 5,507.57 : x
  2. Step 2: Convert to fraction form
    9,983.39/13,776.90 = 5,507.57/x
  3. Step 3: Cross multiply
    9,983.39x = 13,776.90 × 5,507.57
  4. Step 4: Simplify right side
    9,983.39x = 75,877,227.34
  5. Step 5: Solve for x
    x = 75,877,227.34/9,983.39
  6. Step 6: Final answer
    x = 7,600.35

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Similar ratio
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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.