Home / 9,718.31-13,412.45-5,470.97

Finding the Fourth Proportional to 9,718.31, 13,412.45 and 5,470.97

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Solution

The fourth proportional to 9,718.31, 13,412.45 and 5,470.97 is: 7,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.31 : 13,412.45 = 5,470.97 : x
  2. Step 2: Convert to fraction form
    9,718.31/13,412.45 = 5,470.97/x
  3. Step 3: Cross multiply
    9,718.31x = 13,412.45 × 5,470.97
  4. Step 4: Simplify right side
    9,718.31x = 73,379,058.19
  5. Step 5: Solve for x
    x = 73,379,058.19/9,718.31
  6. Step 6: Final answer
    x = 7,550.60

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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.