Home / 10,080.81-15,124.28-4,073.81

Finding the Fourth Proportional to 10,080.81, 15,124.28 and 4,073.81

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Solution

The fourth proportional to 10,080.81, 15,124.28 and 4,073.81 is: 6,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.81 : 15,124.28 = 4,073.81 : x
  2. Step 2: Convert to fraction form
    10,080.81/15,124.28 = 4,073.81/x
  3. Step 3: Cross multiply
    10,080.81x = 15,124.28 × 4,073.81
  4. Step 4: Simplify right side
    10,080.81x = 61,613,347.12
  5. Step 5: Solve for x
    x = 61,613,347.12/10,080.81
  6. Step 6: Final answer
    x = 6,111.94

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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.