Home / 10,616.02-15,941.85-7,983.52

Finding the Fourth Proportional to 10,616.02, 15,941.85 and 7,983.52

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Solution

The fourth proportional to 10,616.02, 15,941.85 and 7,983.52 is: 11,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.02 : 15,941.85 = 7,983.52 : x
  2. Step 2: Convert to fraction form
    10,616.02/15,941.85 = 7,983.52/x
  3. Step 3: Cross multiply
    10,616.02x = 15,941.85 × 7,983.52
  4. Step 4: Simplify right side
    10,616.02x = 127,272,078.31
  5. Step 5: Solve for x
    x = 127,272,078.31/10,616.02
  6. Step 6: Final answer
    x = 11,988.68

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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.