Home / 10,742.73-16,122.29-4,817.32

Finding the Fourth Proportional to 10,742.73, 16,122.29 and 4,817.32

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Solution

The fourth proportional to 10,742.73, 16,122.29 and 4,817.32 is: 7,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,742.73 : 16,122.29 = 4,817.32 : x
  2. Step 2: Convert to fraction form
    10,742.73/16,122.29 = 4,817.32/x
  3. Step 3: Cross multiply
    10,742.73x = 16,122.29 × 4,817.32
  4. Step 4: Simplify right side
    10,742.73x = 77,666,283.46
  5. Step 5: Solve for x
    x = 77,666,283.46/10,742.73
  6. Step 6: Final answer
    x = 7,229.66

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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.