Home / 10,967.32-15,134.69-6,717.70

Finding the Fourth Proportional to 10,967.32, 15,134.69 and 6,717.70

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Solution

The fourth proportional to 10,967.32, 15,134.69 and 6,717.70 is: 9,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.32 : 15,134.69 = 6,717.70 : x
  2. Step 2: Convert to fraction form
    10,967.32/15,134.69 = 6,717.70/x
  3. Step 3: Cross multiply
    10,967.32x = 15,134.69 × 6,717.70
  4. Step 4: Simplify right side
    10,967.32x = 101,670,285.97
  5. Step 5: Solve for x
    x = 101,670,285.97/10,967.32
  6. Step 6: Final answer
    x = 9,270.30

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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.