Home / 13,302.12-18,351.76-7,634.82

Finding the Fourth Proportional to 13,302.12, 18,351.76 and 7,634.82

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Solution

The fourth proportional to 13,302.12, 18,351.76 and 7,634.82 is: 10,533.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.12 : 18,351.76 = 7,634.82 : x
  2. Step 2: Convert to fraction form
    13,302.12/18,351.76 = 7,634.82/x
  3. Step 3: Cross multiply
    13,302.12x = 18,351.76 × 7,634.82
  4. Step 4: Simplify right side
    13,302.12x = 140,112,346.11
  5. Step 5: Solve for x
    x = 140,112,346.11/13,302.12
  6. Step 6: Final answer
    x = 10,533.08

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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.