Home / 8,380.10-11,564.57-4,603.57

Finding the Fourth Proportional to 8,380.10, 11,564.57 and 4,603.57

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Solution

The fourth proportional to 8,380.10, 11,564.57 and 4,603.57 is: 6,352.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.10 : 11,564.57 = 4,603.57 : x
  2. Step 2: Convert to fraction form
    8,380.10/11,564.57 = 4,603.57/x
  3. Step 3: Cross multiply
    8,380.10x = 11,564.57 × 4,603.57
  4. Step 4: Simplify right side
    8,380.10x = 53,238,290.11
  5. Step 5: Solve for x
    x = 53,238,290.11/8,380.10
  6. Step 6: Final answer
    x = 6,352.94

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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.