Home / 10,642.09-15,963.14-4,395.24

Finding the Fourth Proportional to 10,642.09, 15,963.14 and 4,395.24

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Solution

The fourth proportional to 10,642.09, 15,963.14 and 4,395.24 is: 6,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,642.09 : 15,963.14 = 4,395.24 : x
  2. Step 2: Convert to fraction form
    10,642.09/15,963.14 = 4,395.24/x
  3. Step 3: Cross multiply
    10,642.09x = 15,963.14 × 4,395.24
  4. Step 4: Simplify right side
    10,642.09x = 70,161,907.83
  5. Step 5: Solve for x
    x = 70,161,907.83/10,642.09
  6. Step 6: Final answer
    x = 6,592.87

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Double scale
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Similar ratio
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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.