Home / 10,156.44-14,013.36-6,380.22

Finding the Fourth Proportional to 10,156.44, 14,013.36 and 6,380.22

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Solution

The fourth proportional to 10,156.44, 14,013.36 and 6,380.22 is: 8,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156.44 : 14,013.36 = 6,380.22 : x
  2. Step 2: Convert to fraction form
    10,156.44/14,013.36 = 6,380.22/x
  3. Step 3: Cross multiply
    10,156.44x = 14,013.36 × 6,380.22
  4. Step 4: Simplify right side
    10,156.44x = 89,408,319.74
  5. Step 5: Solve for x
    x = 89,408,319.74/10,156.44
  6. Step 6: Final answer
    x = 8,803.12

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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.