Home / 11,657.18-17,402.65-11,247.11

Finding the Fourth Proportional to 11,657.18, 17,402.65 and 11,247.11

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Solution

The fourth proportional to 11,657.18, 17,402.65 and 11,247.11 is: 16,790.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,657.18 : 17,402.65 = 11,247.11 : x
  2. Step 2: Convert to fraction form
    11,657.18/17,402.65 = 11,247.11/x
  3. Step 3: Cross multiply
    11,657.18x = 17,402.65 × 11,247.11
  4. Step 4: Simplify right side
    11,657.18x = 195,729,518.84
  5. Step 5: Solve for x
    x = 195,729,518.84/11,657.18
  6. Step 6: Final answer
    x = 16,790.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.