Home / 8,666.10-11,959.32-5,262.12

Finding the Fourth Proportional to 8,666.10, 11,959.32 and 5,262.12

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Solution

The fourth proportional to 8,666.10, 11,959.32 and 5,262.12 is: 7,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.10 : 11,959.32 = 5,262.12 : x
  2. Step 2: Convert to fraction form
    8,666.10/11,959.32 = 5,262.12/x
  3. Step 3: Cross multiply
    8,666.10x = 11,959.32 × 5,262.12
  4. Step 4: Simplify right side
    8,666.10x = 62,931,376.96
  5. Step 5: Solve for x
    x = 62,931,376.96/8,666.10
  6. Step 6: Final answer
    x = 7,261.79

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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.