Home / 10,833.75-16,248.57-5,281.51

Finding the Fourth Proportional to 10,833.75, 16,248.57 and 5,281.51

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Solution

The fourth proportional to 10,833.75, 16,248.57 and 5,281.51 is: 7,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.75 : 16,248.57 = 5,281.51 : x
  2. Step 2: Convert to fraction form
    10,833.75/16,248.57 = 5,281.51/x
  3. Step 3: Cross multiply
    10,833.75x = 16,248.57 × 5,281.51
  4. Step 4: Simplify right side
    10,833.75x = 85,816,984.94
  5. Step 5: Solve for x
    x = 85,816,984.94/10,833.75
  6. Step 6: Final answer
    x = 7,921.26

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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.