Home / 8,140.15-11,232.30-4,736.23

Finding the Fourth Proportional to 8,140.15, 11,232.30 and 4,736.23

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Solution

The fourth proportional to 8,140.15, 11,232.30 and 4,736.23 is: 6,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.15 : 11,232.30 = 4,736.23 : x
  2. Step 2: Convert to fraction form
    8,140.15/11,232.30 = 4,736.23/x
  3. Step 3: Cross multiply
    8,140.15x = 11,232.30 × 4,736.23
  4. Step 4: Simplify right side
    8,140.15x = 53,198,756.23
  5. Step 5: Solve for x
    x = 53,198,756.23/8,140.15
  6. Step 6: Final answer
    x = 6,535.35

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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.