Home / 10,343.90-15,515.55-2,552.72

Finding the Fourth Proportional to 10,343.90, 15,515.55 and 2,552.72

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Solution

The fourth proportional to 10,343.90, 15,515.55 and 2,552.72 is: 3,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.90 : 15,515.55 = 2,552.72 : x
  2. Step 2: Convert to fraction form
    10,343.90/15,515.55 = 2,552.72/x
  3. Step 3: Cross multiply
    10,343.90x = 15,515.55 × 2,552.72
  4. Step 4: Simplify right side
    10,343.90x = 39,606,777.22
  5. Step 5: Solve for x
    x = 39,606,777.22/10,343.90
  6. Step 6: Final answer
    x = 3,829.00

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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.