Home / 9,331.84-12,877.80-5,352.87

Finding the Fourth Proportional to 9,331.84, 12,877.80 and 5,352.87

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Solution

The fourth proportional to 9,331.84, 12,877.80 and 5,352.87 is: 7,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.84 : 12,877.80 = 5,352.87 : x
  2. Step 2: Convert to fraction form
    9,331.84/12,877.80 = 5,352.87/x
  3. Step 3: Cross multiply
    9,331.84x = 12,877.80 × 5,352.87
  4. Step 4: Simplify right side
    9,331.84x = 68,933,124.90
  5. Step 5: Solve for x
    x = 68,933,124.90/9,331.84
  6. Step 6: Final answer
    x = 7,386.87

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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.