Home / 10,851.38-14,970.78-6,373.49

Finding the Fourth Proportional to 10,851.38, 14,970.78 and 6,373.49

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Solution

The fourth proportional to 10,851.38, 14,970.78 and 6,373.49 is: 8,793.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.38 : 14,970.78 = 6,373.49 : x
  2. Step 2: Convert to fraction form
    10,851.38/14,970.78 = 6,373.49/x
  3. Step 3: Cross multiply
    10,851.38x = 14,970.78 × 6,373.49
  4. Step 4: Simplify right side
    10,851.38x = 95,416,154.05
  5. Step 5: Solve for x
    x = 95,416,154.05/10,851.38
  6. Step 6: Final answer
    x = 8,793.00

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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.