Home / 8,650.05-11,937.15-5,113.59

Finding the Fourth Proportional to 8,650.05, 11,937.15 and 5,113.59

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Solution

The fourth proportional to 8,650.05, 11,937.15 and 5,113.59 is: 7,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.05 : 11,937.15 = 5,113.59 : x
  2. Step 2: Convert to fraction form
    8,650.05/11,937.15 = 5,113.59/x
  3. Step 3: Cross multiply
    8,650.05x = 11,937.15 × 5,113.59
  4. Step 4: Simplify right side
    8,650.05x = 61,041,690.87
  5. Step 5: Solve for x
    x = 61,041,690.87/8,650.05
  6. Step 6: Final answer
    x = 7,056.80

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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.