Home / 9,417.12-13,012.54-6,759.88

Finding the Fourth Proportional to 9,417.12, 13,012.54 and 6,759.88

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Solution

The fourth proportional to 9,417.12, 13,012.54 and 6,759.88 is: 9,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.12 : 13,012.54 = 6,759.88 : x
  2. Step 2: Convert to fraction form
    9,417.12/13,012.54 = 6,759.88/x
  3. Step 3: Cross multiply
    9,417.12x = 13,012.54 × 6,759.88
  4. Step 4: Simplify right side
    9,417.12x = 87,963,208.90
  5. Step 5: Solve for x
    x = 87,963,208.90/9,417.12
  6. Step 6: Final answer
    x = 9,340.78

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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.