Home / 8,362.85-11,541.42-4,778.87

Finding the Fourth Proportional to 8,362.85, 11,541.42 and 4,778.87

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Solution

The fourth proportional to 8,362.85, 11,541.42 and 4,778.87 is: 6,595.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.85 : 11,541.42 = 4,778.87 : x
  2. Step 2: Convert to fraction form
    8,362.85/11,541.42 = 4,778.87/x
  3. Step 3: Cross multiply
    8,362.85x = 11,541.42 × 4,778.87
  4. Step 4: Simplify right side
    8,362.85x = 55,154,888.09
  5. Step 5: Solve for x
    x = 55,154,888.09/8,362.85
  6. Step 6: Final answer
    x = 6,595.23

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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.