Home / 10,165.61-15,237.48-6,644.54

Finding the Fourth Proportional to 10,165.61, 15,237.48 and 6,644.54

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Solution

The fourth proportional to 10,165.61, 15,237.48 and 6,644.54 is: 9,959.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.61 : 15,237.48 = 6,644.54 : x
  2. Step 2: Convert to fraction form
    10,165.61/15,237.48 = 6,644.54/x
  3. Step 3: Cross multiply
    10,165.61x = 15,237.48 × 6,644.54
  4. Step 4: Simplify right side
    10,165.61x = 101,246,045.36
  5. Step 5: Solve for x
    x = 101,246,045.36/10,165.61
  6. Step 6: Final answer
    x = 9,959.66

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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.