Home / 10,897.04-15,046.36-8,375.16

Finding the Fourth Proportional to 10,897.04, 15,046.36 and 8,375.16

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Solution

The fourth proportional to 10,897.04, 15,046.36 and 8,375.16 is: 11,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.04 : 15,046.36 = 8,375.16 : x
  2. Step 2: Convert to fraction form
    10,897.04/15,046.36 = 8,375.16/x
  3. Step 3: Cross multiply
    10,897.04x = 15,046.36 × 8,375.16
  4. Step 4: Simplify right side
    10,897.04x = 126,015,672.42
  5. Step 5: Solve for x
    x = 126,015,672.42/10,897.04
  6. Step 6: Final answer
    x = 11,564.21

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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.