Home / 8,261.50-11,400.95-4,535.58

Finding the Fourth Proportional to 8,261.50, 11,400.95 and 4,535.58

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Solution

The fourth proportional to 8,261.50, 11,400.95 and 4,535.58 is: 6,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.50 : 11,400.95 = 4,535.58 : x
  2. Step 2: Convert to fraction form
    8,261.50/11,400.95 = 4,535.58/x
  3. Step 3: Cross multiply
    8,261.50x = 11,400.95 × 4,535.58
  4. Step 4: Simplify right side
    8,261.50x = 51,709,920.80
  5. Step 5: Solve for x
    x = 51,709,920.80/8,261.50
  6. Step 6: Final answer
    x = 6,259.14

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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.