Home / 11,132.13-15,363.68-6,886.01

Finding the Fourth Proportional to 11,132.13, 15,363.68 and 6,886.01

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Solution

The fourth proportional to 11,132.13, 15,363.68 and 6,886.01 is: 9,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,132.13 : 15,363.68 = 6,886.01 : x
  2. Step 2: Convert to fraction form
    11,132.13/15,363.68 = 6,886.01/x
  3. Step 3: Cross multiply
    11,132.13x = 15,363.68 × 6,886.01
  4. Step 4: Simplify right side
    11,132.13x = 105,794,458.10
  5. Step 5: Solve for x
    x = 105,794,458.10/11,132.13
  6. Step 6: Final answer
    x = 9,503.52

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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.