Home / 10,087.69-13,922.25-6,108.70

Finding the Fourth Proportional to 10,087.69, 13,922.25 and 6,108.70

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Solution

The fourth proportional to 10,087.69, 13,922.25 and 6,108.70 is: 8,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.69 : 13,922.25 = 6,108.70 : x
  2. Step 2: Convert to fraction form
    10,087.69/13,922.25 = 6,108.70/x
  3. Step 3: Cross multiply
    10,087.69x = 13,922.25 × 6,108.70
  4. Step 4: Simplify right side
    10,087.69x = 85,046,848.58
  5. Step 5: Solve for x
    x = 85,046,848.58/10,087.69
  6. Step 6: Final answer
    x = 8,430.76

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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.