Home / 10,535.38-15,801.45-3,515.51

Finding the Fourth Proportional to 10,535.38, 15,801.45 and 3,515.51

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Solution

The fourth proportional to 10,535.38, 15,801.45 and 3,515.51 is: 5,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,535.38 : 15,801.45 = 3,515.51 : x
  2. Step 2: Convert to fraction form
    10,535.38/15,801.45 = 3,515.51/x
  3. Step 3: Cross multiply
    10,535.38x = 15,801.45 × 3,515.51
  4. Step 4: Simplify right side
    10,535.38x = 55,550,181.81
  5. Step 5: Solve for x
    x = 55,550,181.81/10,535.38
  6. Step 6: Final answer
    x = 5,272.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.