Home / 10,947.42-15,108.21-6,102.46

Finding the Fourth Proportional to 10,947.42, 15,108.21 and 6,102.46

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Solution

The fourth proportional to 10,947.42, 15,108.21 and 6,102.46 is: 8,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.42 : 15,108.21 = 6,102.46 : x
  2. Step 2: Convert to fraction form
    10,947.42/15,108.21 = 6,102.46/x
  3. Step 3: Cross multiply
    10,947.42x = 15,108.21 × 6,102.46
  4. Step 4: Simplify right side
    10,947.42x = 92,197,209.43
  5. Step 5: Solve for x
    x = 92,197,209.43/10,947.42
  6. Step 6: Final answer
    x = 8,421.82

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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.