Home / 13,302.91-18,358.14-7,334.79

Finding the Fourth Proportional to 13,302.91, 18,358.14 and 7,334.79

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Solution

The fourth proportional to 13,302.91, 18,358.14 and 7,334.79 is: 10,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.91 : 18,358.14 = 7,334.79 : x
  2. Step 2: Convert to fraction form
    13,302.91/18,358.14 = 7,334.79/x
  3. Step 3: Cross multiply
    13,302.91x = 18,358.14 × 7,334.79
  4. Step 4: Simplify right side
    13,302.91x = 134,653,101.69
  5. Step 5: Solve for x
    x = 134,653,101.69/13,302.91
  6. Step 6: Final answer
    x = 10,122.08

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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.