Home / 9,721.59-13,405.19-6,572.31

Finding the Fourth Proportional to 9,721.59, 13,405.19 and 6,572.31

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Solution

The fourth proportional to 9,721.59, 13,405.19 and 6,572.31 is: 9,062.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.59 : 13,405.19 = 6,572.31 : x
  2. Step 2: Convert to fraction form
    9,721.59/13,405.19 = 6,572.31/x
  3. Step 3: Cross multiply
    9,721.59x = 13,405.19 × 6,572.31
  4. Step 4: Simplify right side
    9,721.59x = 88,103,064.29
  5. Step 5: Solve for x
    x = 88,103,064.29/9,721.59
  6. Step 6: Final answer
    x = 9,062.62

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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.