Home / 12,375.76-18,569.79-5,802.46

Finding the Fourth Proportional to 12,375.76, 18,569.79 and 5,802.46

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Solution

The fourth proportional to 12,375.76, 18,569.79 and 5,802.46 is: 8,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.76 : 18,569.79 = 5,802.46 : x
  2. Step 2: Convert to fraction form
    12,375.76/18,569.79 = 5,802.46/x
  3. Step 3: Cross multiply
    12,375.76x = 18,569.79 × 5,802.46
  4. Step 4: Simplify right side
    12,375.76x = 107,750,463.68
  5. Step 5: Solve for x
    x = 107,750,463.68/12,375.76
  6. Step 6: Final answer
    x = 8,706.57

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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.