Home / 10,130.52-15,186.54-3,553.12

Finding the Fourth Proportional to 10,130.52, 15,186.54 and 3,553.12

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Solution

The fourth proportional to 10,130.52, 15,186.54 and 3,553.12 is: 5,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.52 : 15,186.54 = 3,553.12 : x
  2. Step 2: Convert to fraction form
    10,130.52/15,186.54 = 3,553.12/x
  3. Step 3: Cross multiply
    10,130.52x = 15,186.54 × 3,553.12
  4. Step 4: Simplify right side
    10,130.52x = 53,959,599.00
  5. Step 5: Solve for x
    x = 53,959,599.00/10,130.52
  6. Step 6: Final answer
    x = 5,326.44

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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.