Home / 11,167.80-15,411.96-7,397.52

Finding the Fourth Proportional to 11,167.80, 15,411.96 and 7,397.52

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Solution

The fourth proportional to 11,167.80, 15,411.96 and 7,397.52 is: 10,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.80 : 15,411.96 = 7,397.52 : x
  2. Step 2: Convert to fraction form
    11,167.80/15,411.96 = 7,397.52/x
  3. Step 3: Cross multiply
    11,167.80x = 15,411.96 × 7,397.52
  4. Step 4: Simplify right side
    11,167.80x = 114,010,282.34
  5. Step 5: Solve for x
    x = 114,010,282.34/11,167.80
  6. Step 6: Final answer
    x = 10,208.84

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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.