Home / 10,016.48-15,018.72-4,752.80

Finding the Fourth Proportional to 10,016.48, 15,018.72 and 4,752.80

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Solution

The fourth proportional to 10,016.48, 15,018.72 and 4,752.80 is: 7,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.48 : 15,018.72 = 4,752.80 : x
  2. Step 2: Convert to fraction form
    10,016.48/15,018.72 = 4,752.80/x
  3. Step 3: Cross multiply
    10,016.48x = 15,018.72 × 4,752.80
  4. Step 4: Simplify right side
    10,016.48x = 71,380,972.42
  5. Step 5: Solve for x
    x = 71,380,972.42/10,016.48
  6. Step 6: Final answer
    x = 7,126.35

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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.