Home / 8,746.12-13,124.22-5,237.20

Finding the Fourth Proportional to 8,746.12, 13,124.22 and 5,237.20

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Solution

The fourth proportional to 8,746.12, 13,124.22 and 5,237.20 is: 7,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,746.12 : 13,124.22 = 5,237.20 : x
  2. Step 2: Convert to fraction form
    8,746.12/13,124.22 = 5,237.20/x
  3. Step 3: Cross multiply
    8,746.12x = 13,124.22 × 5,237.20
  4. Step 4: Simplify right side
    8,746.12x = 68,734,164.98
  5. Step 5: Solve for x
    x = 68,734,164.98/8,746.12
  6. Step 6: Final answer
    x = 7,858.82

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1.5x scale

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.