Home / 13,304.34-18,359.55-7,335.18

Finding the Fourth Proportional to 13,304.34, 18,359.55 and 7,335.18

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Solution

The fourth proportional to 13,304.34, 18,359.55 and 7,335.18 is: 10,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.34 : 18,359.55 = 7,335.18 : x
  2. Step 2: Convert to fraction form
    13,304.34/18,359.55 = 7,335.18/x
  3. Step 3: Cross multiply
    13,304.34x = 18,359.55 × 7,335.18
  4. Step 4: Simplify right side
    13,304.34x = 134,670,603.97
  5. Step 5: Solve for x
    x = 134,670,603.97/13,304.34
  6. Step 6: Final answer
    x = 10,122.31

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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.