Home / 10,162.08-14,023.64-5,685.90

Finding the Fourth Proportional to 10,162.08, 14,023.64 and 5,685.90

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Solution

The fourth proportional to 10,162.08, 14,023.64 and 5,685.90 is: 7,846.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,162.08 : 14,023.64 = 5,685.90 : x
  2. Step 2: Convert to fraction form
    10,162.08/14,023.64 = 5,685.90/x
  3. Step 3: Cross multiply
    10,162.08x = 14,023.64 × 5,685.90
  4. Step 4: Simplify right side
    10,162.08x = 79,737,014.68
  5. Step 5: Solve for x
    x = 79,737,014.68/10,162.08
  6. Step 6: Final answer
    x = 7,846.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.