Home / 12,335.84-17,025.36-9,703.20

Finding the Fourth Proportional to 12,335.84, 17,025.36 and 9,703.20

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Solution

The fourth proportional to 12,335.84, 17,025.36 and 9,703.20 is: 13,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.84 : 17,025.36 = 9,703.20 : x
  2. Step 2: Convert to fraction form
    12,335.84/17,025.36 = 9,703.20/x
  3. Step 3: Cross multiply
    12,335.84x = 17,025.36 × 9,703.20
  4. Step 4: Simplify right side
    12,335.84x = 165,200,473.15
  5. Step 5: Solve for x
    x = 165,200,473.15/12,335.84
  6. Step 6: Final answer
    x = 13,391.91

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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.