Home / 10,130.25-15,122.06-8,752.44

Finding the Fourth Proportional to 10,130.25, 15,122.06 and 8,752.44

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Solution

The fourth proportional to 10,130.25, 15,122.06 and 8,752.44 is: 13,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.25 : 15,122.06 = 8,752.44 : x
  2. Step 2: Convert to fraction form
    10,130.25/15,122.06 = 8,752.44/x
  3. Step 3: Cross multiply
    10,130.25x = 15,122.06 × 8,752.44
  4. Step 4: Simplify right side
    10,130.25x = 132,354,879.06
  5. Step 5: Solve for x
    x = 132,354,879.06/10,130.25
  6. Step 6: Final answer
    x = 13,065.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.