Home / 7,348.20-11,008.40-5,696.66

Finding the Fourth Proportional to 7,348.20, 11,008.40 and 5,696.66

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Solution

The fourth proportional to 7,348.20, 11,008.40 and 5,696.66 is: 8,534.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.20 : 11,008.40 = 5,696.66 : x
  2. Step 2: Convert to fraction form
    7,348.20/11,008.40 = 5,696.66/x
  3. Step 3: Cross multiply
    7,348.20x = 11,008.40 × 5,696.66
  4. Step 4: Simplify right side
    7,348.20x = 62,711,111.94
  5. Step 5: Solve for x
    x = 62,711,111.94/7,348.20
  6. Step 6: Final answer
    x = 8,534.21

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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.