Home / 15,385.46-23,083.56-4,857.11

Finding the Fourth Proportional to 15,385.46, 23,083.56 and 4,857.11

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Solution

The fourth proportional to 15,385.46, 23,083.56 and 4,857.11 is: 7,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.46 : 23,083.56 = 4,857.11 : x
  2. Step 2: Convert to fraction form
    15,385.46/23,083.56 = 4,857.11/x
  3. Step 3: Cross multiply
    15,385.46x = 23,083.56 × 4,857.11
  4. Step 4: Simplify right side
    15,385.46x = 112,119,390.11
  5. Step 5: Solve for x
    x = 112,119,390.11/15,385.46
  6. Step 6: Final answer
    x = 7,287.36

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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.