Home / 12,340.61-17,029.60-6,964.74

Finding the Fourth Proportional to 12,340.61, 17,029.60 and 6,964.74

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Solution

The fourth proportional to 12,340.61, 17,029.60 and 6,964.74 is: 9,611.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.61 : 17,029.60 = 6,964.74 : x
  2. Step 2: Convert to fraction form
    12,340.61/17,029.60 = 6,964.74/x
  3. Step 3: Cross multiply
    12,340.61x = 17,029.60 × 6,964.74
  4. Step 4: Simplify right side
    12,340.61x = 118,606,701.48
  5. Step 5: Solve for x
    x = 118,606,701.48/12,340.61
  6. Step 6: Final answer
    x = 9,611.09

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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.