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Finding the Fourth Proportional to 11,045.64, 15,243.64 and 6,265.82

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Solution

The fourth proportional to 11,045.64, 15,243.64 and 6,265.82 is: 8,647.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.64 : 15,243.64 = 6,265.82 : x
  2. Step 2: Convert to fraction form
    11,045.64/15,243.64 = 6,265.82/x
  3. Step 3: Cross multiply
    11,045.64x = 15,243.64 × 6,265.82
  4. Step 4: Simplify right side
    11,045.64x = 95,513,904.38
  5. Step 5: Solve for x
    x = 95,513,904.38/11,045.64
  6. Step 6: Final answer
    x = 8,647.20

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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.