Home / 10,407.96-15,611.90-2,616.75

Finding the Fourth Proportional to 10,407.96, 15,611.90 and 2,616.75

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Solution

The fourth proportional to 10,407.96, 15,611.90 and 2,616.75 is: 3,925.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.96 : 15,611.90 = 2,616.75 : x
  2. Step 2: Convert to fraction form
    10,407.96/15,611.90 = 2,616.75/x
  3. Step 3: Cross multiply
    10,407.96x = 15,611.90 × 2,616.75
  4. Step 4: Simplify right side
    10,407.96x = 40,852,426.24
  5. Step 5: Solve for x
    x = 40,852,426.24/10,407.96
  6. Step 6: Final answer
    x = 3,925.11

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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.