Home / 13,302.17-18,357.13-7,334.06

Finding the Fourth Proportional to 13,302.17, 18,357.13 and 7,334.06

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Solution

The fourth proportional to 13,302.17, 18,357.13 and 7,334.06 is: 10,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.17 : 18,357.13 = 7,334.06 : x
  2. Step 2: Convert to fraction form
    13,302.17/18,357.13 = 7,334.06/x
  3. Step 3: Cross multiply
    13,302.17x = 18,357.13 × 7,334.06
  4. Step 4: Simplify right side
    13,302.17x = 134,632,292.85
  5. Step 5: Solve for x
    x = 134,632,292.85/13,302.17
  6. Step 6: Final answer
    x = 10,121.08

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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.