Home / 13,303.11-18,358.08-7,335.18

Finding the Fourth Proportional to 13,303.11, 18,358.08 and 7,335.18

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Solution

The fourth proportional to 13,303.11, 18,358.08 and 7,335.18 is: 10,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.11 : 18,358.08 = 7,335.18 : x
  2. Step 2: Convert to fraction form
    13,303.11/18,358.08 = 7,335.18/x
  3. Step 3: Cross multiply
    13,303.11x = 18,358.08 × 7,335.18
  4. Step 4: Simplify right side
    13,303.11x = 134,659,821.25
  5. Step 5: Solve for x
    x = 134,659,821.25/13,303.11
  6. Step 6: Final answer
    x = 10,122.43

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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.