Home / 10,836.76-16,182.80-10,283.22

Finding the Fourth Proportional to 10,836.76, 16,182.80 and 10,283.22

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Solution

The fourth proportional to 10,836.76, 16,182.80 and 10,283.22 is: 15,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.76 : 16,182.80 = 10,283.22 : x
  2. Step 2: Convert to fraction form
    10,836.76/16,182.80 = 10,283.22/x
  3. Step 3: Cross multiply
    10,836.76x = 16,182.80 × 10,283.22
  4. Step 4: Simplify right side
    10,836.76x = 166,411,292.62
  5. Step 5: Solve for x
    x = 166,411,292.62/10,836.76
  6. Step 6: Final answer
    x = 15,356.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.