Home / 12,331.85-17,013.86-6,953.61

Finding the Fourth Proportional to 12,331.85, 17,013.86 and 6,953.61

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Solution

The fourth proportional to 12,331.85, 17,013.86 and 6,953.61 is: 9,593.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331.85 : 17,013.86 = 6,953.61 : x
  2. Step 2: Convert to fraction form
    12,331.85/17,013.86 = 6,953.61/x
  3. Step 3: Cross multiply
    12,331.85x = 17,013.86 × 6,953.61
  4. Step 4: Simplify right side
    12,331.85x = 118,307,712.27
  5. Step 5: Solve for x
    x = 118,307,712.27/12,331.85
  6. Step 6: Final answer
    x = 9,593.67

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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.