Home / 8,380.01-11,561.59-4,745.56

Finding the Fourth Proportional to 8,380.01, 11,561.59 and 4,745.56

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Solution

The fourth proportional to 8,380.01, 11,561.59 and 4,745.56 is: 6,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.01 : 11,561.59 = 4,745.56 : x
  2. Step 2: Convert to fraction form
    8,380.01/11,561.59 = 4,745.56/x
  3. Step 3: Cross multiply
    8,380.01x = 11,561.59 × 4,745.56
  4. Step 4: Simplify right side
    8,380.01x = 54,866,219.04
  5. Step 5: Solve for x
    x = 54,866,219.04/8,380.01
  6. Step 6: Final answer
    x = 6,547.28

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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.