Home / 7,470.90-11,217.54-6,473.34

Finding the Fourth Proportional to 7,470.90, 11,217.54 and 6,473.34

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Solution

The fourth proportional to 7,470.90, 11,217.54 and 6,473.34 is: 9,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.90 : 11,217.54 = 6,473.34 : x
  2. Step 2: Convert to fraction form
    7,470.90/11,217.54 = 6,473.34/x
  3. Step 3: Cross multiply
    7,470.90x = 11,217.54 × 6,473.34
  4. Step 4: Simplify right side
    7,470.90x = 72,614,950.38
  5. Step 5: Solve for x
    x = 72,614,950.38/7,470.90
  6. Step 6: Final answer
    x = 9,719.71

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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.