Home / 10,196.06-15,294.11-2,800.55

Finding the Fourth Proportional to 10,196.06, 15,294.11 and 2,800.55

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Solution

The fourth proportional to 10,196.06, 15,294.11 and 2,800.55 is: 4,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,196.06 : 15,294.11 = 2,800.55 : x
  2. Step 2: Convert to fraction form
    10,196.06/15,294.11 = 2,800.55/x
  3. Step 3: Cross multiply
    10,196.06x = 15,294.11 × 2,800.55
  4. Step 4: Simplify right side
    10,196.06x = 42,831,829.29
  5. Step 5: Solve for x
    x = 42,831,829.29/10,196.06
  6. Step 6: Final answer
    x = 4,200.82

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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.