Home / 11,901.12-17,852.08-5,657.92

Finding the Fourth Proportional to 11,901.12, 17,852.08 and 5,657.92

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Solution

The fourth proportional to 11,901.12, 17,852.08 and 5,657.92 is: 8,487.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.12 : 17,852.08 = 5,657.92 : x
  2. Step 2: Convert to fraction form
    11,901.12/17,852.08 = 5,657.92/x
  3. Step 3: Cross multiply
    11,901.12x = 17,852.08 × 5,657.92
  4. Step 4: Simplify right side
    11,901.12x = 101,005,640.47
  5. Step 5: Solve for x
    x = 101,005,640.47/11,901.12
  6. Step 6: Final answer
    x = 8,487.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.