Home / 13,302.21-18,358.17-7,335.06

Finding the Fourth Proportional to 13,302.21, 18,358.17 and 7,335.06

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Solution

The fourth proportional to 13,302.21, 18,358.17 and 7,335.06 is: 10,123.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.21 : 18,358.17 = 7,335.06 : x
  2. Step 2: Convert to fraction form
    13,302.21/18,358.17 = 7,335.06/x
  3. Step 3: Cross multiply
    13,302.21x = 18,358.17 × 7,335.06
  4. Step 4: Simplify right side
    13,302.21x = 134,658,278.44
  5. Step 5: Solve for x
    x = 134,658,278.44/13,302.21
  6. Step 6: Final answer
    x = 10,123.00

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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.