Home / 11,566.32-15,960.59-6,531.76

Finding the Fourth Proportional to 11,566.32, 15,960.59 and 6,531.76

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Solution

The fourth proportional to 11,566.32, 15,960.59 and 6,531.76 is: 9,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.32 : 15,960.59 = 6,531.76 : x
  2. Step 2: Convert to fraction form
    11,566.32/15,960.59 = 6,531.76/x
  3. Step 3: Cross multiply
    11,566.32x = 15,960.59 × 6,531.76
  4. Step 4: Simplify right side
    11,566.32x = 104,250,710.68
  5. Step 5: Solve for x
    x = 104,250,710.68/11,566.32
  6. Step 6: Final answer
    x = 9,013.30

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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.