Home / 10,872.70-16,315.32-5,875.08

Finding the Fourth Proportional to 10,872.70, 16,315.32 and 5,875.08

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Solution

The fourth proportional to 10,872.70, 16,315.32 and 5,875.08 is: 8,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.70 : 16,315.32 = 5,875.08 : x
  2. Step 2: Convert to fraction form
    10,872.70/16,315.32 = 5,875.08/x
  3. Step 3: Cross multiply
    10,872.70x = 16,315.32 × 5,875.08
  4. Step 4: Simplify right side
    10,872.70x = 95,853,810.23
  5. Step 5: Solve for x
    x = 95,853,810.23/10,872.70
  6. Step 6: Final answer
    x = 8,816.01

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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.