Home / 13,302.19-18,357.15-7,334.11

Finding the Fourth Proportional to 13,302.19, 18,357.15 and 7,334.11

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Solution

The fourth proportional to 13,302.19, 18,357.15 and 7,334.11 is: 10,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.19 : 18,357.15 = 7,334.11 : x
  2. Step 2: Convert to fraction form
    13,302.19/18,357.15 = 7,334.11/x
  3. Step 3: Cross multiply
    13,302.19x = 18,357.15 × 7,334.11
  4. Step 4: Simplify right side
    13,302.19x = 134,633,357.39
  5. Step 5: Solve for x
    x = 134,633,357.39/13,302.19
  6. Step 6: Final answer
    x = 10,121.14

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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.