Home / 11,470.60-17,191.32-5,622.40

Finding the Fourth Proportional to 11,470.60, 17,191.32 and 5,622.40

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Solution

The fourth proportional to 11,470.60, 17,191.32 and 5,622.40 is: 8,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.60 : 17,191.32 = 5,622.40 : x
  2. Step 2: Convert to fraction form
    11,470.60/17,191.32 = 5,622.40/x
  3. Step 3: Cross multiply
    11,470.60x = 17,191.32 × 5,622.40
  4. Step 4: Simplify right side
    11,470.60x = 96,656,477.57
  5. Step 5: Solve for x
    x = 96,656,477.57/11,470.60
  6. Step 6: Final answer
    x = 8,426.45

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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.