Home / 10,608.08-15,887.90-5,065.32

Finding the Fourth Proportional to 10,608.08, 15,887.90 and 5,065.32

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Solution

The fourth proportional to 10,608.08, 15,887.90 and 5,065.32 is: 7,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.08 : 15,887.90 = 5,065.32 : x
  2. Step 2: Convert to fraction form
    10,608.08/15,887.90 = 5,065.32/x
  3. Step 3: Cross multiply
    10,608.08x = 15,887.90 × 5,065.32
  4. Step 4: Simplify right side
    10,608.08x = 80,477,218.19
  5. Step 5: Solve for x
    x = 80,477,218.19/10,608.08
  6. Step 6: Final answer
    x = 7,586.41

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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.