Home / 10,005.64-15,008.49-2,610.09

Finding the Fourth Proportional to 10,005.64, 15,008.49 and 2,610.09

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Solution

The fourth proportional to 10,005.64, 15,008.49 and 2,610.09 is: 3,915.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.64 : 15,008.49 = 2,610.09 : x
  2. Step 2: Convert to fraction form
    10,005.64/15,008.49 = 2,610.09/x
  3. Step 3: Cross multiply
    10,005.64x = 15,008.49 × 2,610.09
  4. Step 4: Simplify right side
    10,005.64x = 39,173,509.66
  5. Step 5: Solve for x
    x = 39,173,509.66/10,005.64
  6. Step 6: Final answer
    x = 3,915.14

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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.