Home / 9,126.73-12,592.51-5,347.87

Finding the Fourth Proportional to 9,126.73, 12,592.51 and 5,347.87

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Solution

The fourth proportional to 9,126.73, 12,592.51 and 5,347.87 is: 7,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.73 : 12,592.51 = 5,347.87 : x
  2. Step 2: Convert to fraction form
    9,126.73/12,592.51 = 5,347.87/x
  3. Step 3: Cross multiply
    9,126.73x = 12,592.51 × 5,347.87
  4. Step 4: Simplify right side
    9,126.73x = 67,343,109.39
  5. Step 5: Solve for x
    x = 67,343,109.39/9,126.73
  6. Step 6: Final answer
    x = 7,378.66

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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.