Home / 10,005.80-15,008.67-2,610.23

Finding the Fourth Proportional to 10,005.80, 15,008.67 and 2,610.23

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Solution

The fourth proportional to 10,005.80, 15,008.67 and 2,610.23 is: 3,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.80 : 15,008.67 = 2,610.23 : x
  2. Step 2: Convert to fraction form
    10,005.80/15,008.67 = 2,610.23/x
  3. Step 3: Cross multiply
    10,005.80x = 15,008.67 × 2,610.23
  4. Step 4: Simplify right side
    10,005.80x = 39,176,005.65
  5. Step 5: Solve for x
    x = 39,176,005.65/10,005.80
  6. Step 6: Final answer
    x = 3,915.33

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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.