Home / 11,097.24-15,314.40-6,317.88

Finding the Fourth Proportional to 11,097.24, 15,314.40 and 6,317.88

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Solution

The fourth proportional to 11,097.24, 15,314.40 and 6,317.88 is: 8,718.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,097.24 : 15,314.40 = 6,317.88 : x
  2. Step 2: Convert to fraction form
    11,097.24/15,314.40 = 6,317.88/x
  3. Step 3: Cross multiply
    11,097.24x = 15,314.40 × 6,317.88
  4. Step 4: Simplify right side
    11,097.24x = 96,754,541.47
  5. Step 5: Solve for x
    x = 96,754,541.47/11,097.24
  6. Step 6: Final answer
    x = 8,718.79

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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.