Home / 10,488.51-15,733.53-2,991.96

Finding the Fourth Proportional to 10,488.51, 15,733.53 and 2,991.96

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Solution

The fourth proportional to 10,488.51, 15,733.53 and 2,991.96 is: 4,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,488.51 : 15,733.53 = 2,991.96 : x
  2. Step 2: Convert to fraction form
    10,488.51/15,733.53 = 2,991.96/x
  3. Step 3: Cross multiply
    10,488.51x = 15,733.53 × 2,991.96
  4. Step 4: Simplify right side
    10,488.51x = 47,074,092.42
  5. Step 5: Solve for x
    x = 47,074,092.42/10,488.51
  6. Step 6: Final answer
    x = 4,488.16

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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.