Home / 10,429.50-14,393.28-6,180.84

Finding the Fourth Proportional to 10,429.50, 14,393.28 and 6,180.84

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Solution

The fourth proportional to 10,429.50, 14,393.28 and 6,180.84 is: 8,529.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.50 : 14,393.28 = 6,180.84 : x
  2. Step 2: Convert to fraction form
    10,429.50/14,393.28 = 6,180.84/x
  3. Step 3: Cross multiply
    10,429.50x = 14,393.28 × 6,180.84
  4. Step 4: Simplify right side
    10,429.50x = 88,962,560.76
  5. Step 5: Solve for x
    x = 88,962,560.76/10,429.50
  6. Step 6: Final answer
    x = 8,529.90

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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.