Home / 8,242.40-11,374.76-4,706.56

Finding the Fourth Proportional to 8,242.40, 11,374.76 and 4,706.56

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Solution

The fourth proportional to 8,242.40, 11,374.76 and 4,706.56 is: 6,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.40 : 11,374.76 = 4,706.56 : x
  2. Step 2: Convert to fraction form
    8,242.40/11,374.76 = 4,706.56/x
  3. Step 3: Cross multiply
    8,242.40x = 11,374.76 × 4,706.56
  4. Step 4: Simplify right side
    8,242.40x = 53,535,990.43
  5. Step 5: Solve for x
    x = 53,535,990.43/8,242.40
  6. Step 6: Final answer
    x = 6,495.19

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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.