Home / 13,252.19-18,287.69-7,202.25

Finding the Fourth Proportional to 13,252.19, 18,287.69 and 7,202.25

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Solution

The fourth proportional to 13,252.19, 18,287.69 and 7,202.25 is: 9,938.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.19 : 18,287.69 = 7,202.25 : x
  2. Step 2: Convert to fraction form
    13,252.19/18,287.69 = 7,202.25/x
  3. Step 3: Cross multiply
    13,252.19x = 18,287.69 × 7,202.25
  4. Step 4: Simplify right side
    13,252.19x = 131,712,479.29
  5. Step 5: Solve for x
    x = 131,712,479.29/13,252.19
  6. Step 6: Final answer
    x = 9,938.93

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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.