Home / 10,470.24-15,693.12-7,996.50

Finding the Fourth Proportional to 10,470.24, 15,693.12 and 7,996.50

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Solution

The fourth proportional to 10,470.24, 15,693.12 and 7,996.50 is: 11,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.24 : 15,693.12 = 7,996.50 : x
  2. Step 2: Convert to fraction form
    10,470.24/15,693.12 = 7,996.50/x
  3. Step 3: Cross multiply
    10,470.24x = 15,693.12 × 7,996.50
  4. Step 4: Simplify right side
    10,470.24x = 125,490,034.08
  5. Step 5: Solve for x
    x = 125,490,034.08/10,470.24
  6. Step 6: Final answer
    x = 11,985.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.