Home / 10,951.61-15,112.28-6,170.02

Finding the Fourth Proportional to 10,951.61, 15,112.28 and 6,170.02

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Solution

The fourth proportional to 10,951.61, 15,112.28 and 6,170.02 is: 8,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.61 : 15,112.28 = 6,170.02 : x
  2. Step 2: Convert to fraction form
    10,951.61/15,112.28 = 6,170.02/x
  3. Step 3: Cross multiply
    10,951.61x = 15,112.28 × 6,170.02
  4. Step 4: Simplify right side
    10,951.61x = 93,243,047.49
  5. Step 5: Solve for x
    x = 93,243,047.49/10,951.61
  6. Step 6: Final answer
    x = 8,514.10

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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.