Home / 12,335.76-17,023.31-6,670.47

Finding the Fourth Proportional to 12,335.76, 17,023.31 and 6,670.47

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Solution

The fourth proportional to 12,335.76, 17,023.31 and 6,670.47 is: 9,205.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.76 : 17,023.31 = 6,670.47 : x
  2. Step 2: Convert to fraction form
    12,335.76/17,023.31 = 6,670.47/x
  3. Step 3: Cross multiply
    12,335.76x = 17,023.31 × 6,670.47
  4. Step 4: Simplify right side
    12,335.76x = 113,553,475.92
  5. Step 5: Solve for x
    x = 113,553,475.92/12,335.76
  6. Step 6: Final answer
    x = 9,205.23

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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.