Home / 10,881.47-16,323.38-4,642.14

Finding the Fourth Proportional to 10,881.47, 16,323.38 and 4,642.14

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Solution

The fourth proportional to 10,881.47, 16,323.38 and 4,642.14 is: 6,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.47 : 16,323.38 = 4,642.14 : x
  2. Step 2: Convert to fraction form
    10,881.47/16,323.38 = 4,642.14/x
  3. Step 3: Cross multiply
    10,881.47x = 16,323.38 × 4,642.14
  4. Step 4: Simplify right side
    10,881.47x = 75,775,496.76
  5. Step 5: Solve for x
    x = 75,775,496.76/10,881.47
  6. Step 6: Final answer
    x = 6,963.72

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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.