Home / 9,331.16-12,877.10-5,352.64

Finding the Fourth Proportional to 9,331.16, 12,877.10 and 5,352.64

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Solution

The fourth proportional to 9,331.16, 12,877.10 and 5,352.64 is: 7,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.16 : 12,877.10 = 5,352.64 : x
  2. Step 2: Convert to fraction form
    9,331.16/12,877.10 = 5,352.64/x
  3. Step 3: Cross multiply
    9,331.16x = 12,877.10 × 5,352.64
  4. Step 4: Simplify right side
    9,331.16x = 68,926,461.73
  5. Step 5: Solve for x
    x = 68,926,461.73/9,331.16
  6. Step 6: Final answer
    x = 7,386.70

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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.