Home / 13,303.85-18,358.97-7,335.42

Finding the Fourth Proportional to 13,303.85, 18,358.97 and 7,335.42

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Solution

The fourth proportional to 13,303.85, 18,358.97 and 7,335.42 is: 10,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.85 : 18,358.97 = 7,335.42 : x
  2. Step 2: Convert to fraction form
    13,303.85/18,358.97 = 7,335.42/x
  3. Step 3: Cross multiply
    13,303.85x = 18,358.97 × 7,335.42
  4. Step 4: Simplify right side
    13,303.85x = 134,670,719.04
  5. Step 5: Solve for x
    x = 134,670,719.04/13,303.85
  6. Step 6: Final answer
    x = 10,122.69

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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.