Home / 10,263.34-14,163.19-5,787.55

Finding the Fourth Proportional to 10,263.34, 14,163.19 and 5,787.55

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Solution

The fourth proportional to 10,263.34, 14,163.19 and 5,787.55 is: 7,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.34 : 14,163.19 = 5,787.55 : x
  2. Step 2: Convert to fraction form
    10,263.34/14,163.19 = 5,787.55/x
  3. Step 3: Cross multiply
    10,263.34x = 14,163.19 × 5,787.55
  4. Step 4: Simplify right side
    10,263.34x = 81,970,170.28
  5. Step 5: Solve for x
    x = 81,970,170.28/10,263.34
  6. Step 6: Final answer
    x = 7,986.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.