Home / 10,084.02-15,126.75-2,688.44

Finding the Fourth Proportional to 10,084.02, 15,126.75 and 2,688.44

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Solution

The fourth proportional to 10,084.02, 15,126.75 and 2,688.44 is: 4,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.02 : 15,126.75 = 2,688.44 : x
  2. Step 2: Convert to fraction form
    10,084.02/15,126.75 = 2,688.44/x
  3. Step 3: Cross multiply
    10,084.02x = 15,126.75 × 2,688.44
  4. Step 4: Simplify right side
    10,084.02x = 40,667,359.77
  5. Step 5: Solve for x
    x = 40,667,359.77/10,084.02
  6. Step 6: Final answer
    x = 4,032.85

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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.