Home / 10,876.36-16,319.40-5,029.84

Finding the Fourth Proportional to 10,876.36, 16,319.40 and 5,029.84

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Solution

The fourth proportional to 10,876.36, 16,319.40 and 5,029.84 is: 7,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.36 : 16,319.40 = 5,029.84 : x
  2. Step 2: Convert to fraction form
    10,876.36/16,319.40 = 5,029.84/x
  3. Step 3: Cross multiply
    10,876.36x = 16,319.40 × 5,029.84
  4. Step 4: Simplify right side
    10,876.36x = 82,083,970.90
  5. Step 5: Solve for x
    x = 82,083,970.90/10,876.36
  6. Step 6: Final answer
    x = 7,547.01

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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.