Home / 12,328.74-17,011.98-6,951.15

Finding the Fourth Proportional to 12,328.74, 17,011.98 and 6,951.15

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Solution

The fourth proportional to 12,328.74, 17,011.98 and 6,951.15 is: 9,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.74 : 17,011.98 = 6,951.15 : x
  2. Step 2: Convert to fraction form
    12,328.74/17,011.98 = 6,951.15/x
  3. Step 3: Cross multiply
    12,328.74x = 17,011.98 × 6,951.15
  4. Step 4: Simplify right side
    12,328.74x = 118,252,824.78
  5. Step 5: Solve for x
    x = 118,252,824.78/12,328.74
  6. Step 6: Final answer
    x = 9,591.64

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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.