Home / 8,391.24-11,580.04-4,614.57

Finding the Fourth Proportional to 8,391.24, 11,580.04 and 4,614.57

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Solution

The fourth proportional to 8,391.24, 11,580.04 and 4,614.57 is: 6,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.24 : 11,580.04 = 4,614.57 : x
  2. Step 2: Convert to fraction form
    8,391.24/11,580.04 = 4,614.57/x
  3. Step 3: Cross multiply
    8,391.24x = 11,580.04 × 4,614.57
  4. Step 4: Simplify right side
    8,391.24x = 53,436,905.18
  5. Step 5: Solve for x
    x = 53,436,905.18/8,391.24
  6. Step 6: Final answer
    x = 6,368.18

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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.