Home / 10,108.80-15,156.68-4,263.84

Finding the Fourth Proportional to 10,108.80, 15,156.68 and 4,263.84

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Solution

The fourth proportional to 10,108.80, 15,156.68 and 4,263.84 is: 6,393.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.80 : 15,156.68 = 4,263.84 : x
  2. Step 2: Convert to fraction form
    10,108.80/15,156.68 = 4,263.84/x
  3. Step 3: Cross multiply
    10,108.80x = 15,156.68 × 4,263.84
  4. Step 4: Simplify right side
    10,108.80x = 64,625,658.45
  5. Step 5: Solve for x
    x = 64,625,658.45/10,108.80
  6. Step 6: Final answer
    x = 6,393.01

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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.