Home / 13,303.43-18,358.85-7,335.31

Finding the Fourth Proportional to 13,303.43, 18,358.85 and 7,335.31

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Solution

The fourth proportional to 13,303.43, 18,358.85 and 7,335.31 is: 10,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.43 : 18,358.85 = 7,335.31 : x
  2. Step 2: Convert to fraction form
    13,303.43/18,358.85 = 7,335.31/x
  3. Step 3: Cross multiply
    13,303.43x = 18,358.85 × 7,335.31
  4. Step 4: Simplify right side
    13,303.43x = 134,667,855.99
  5. Step 5: Solve for x
    x = 134,667,855.99/13,303.43
  6. Step 6: Final answer
    x = 10,122.79

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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.