Home / 8,525.31-11,766.32-5,339.81

Finding the Fourth Proportional to 8,525.31, 11,766.32 and 5,339.81

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Solution

The fourth proportional to 8,525.31, 11,766.32 and 5,339.81 is: 7,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.31 : 11,766.32 = 5,339.81 : x
  2. Step 2: Convert to fraction form
    8,525.31/11,766.32 = 5,339.81/x
  3. Step 3: Cross multiply
    8,525.31x = 11,766.32 × 5,339.81
  4. Step 4: Simplify right side
    8,525.31x = 62,829,913.20
  5. Step 5: Solve for x
    x = 62,829,913.20/8,525.31
  6. Step 6: Final answer
    x = 7,369.81

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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.