Home / 8,224.95-11,346.57-5,391.57

Finding the Fourth Proportional to 8,224.95, 11,346.57 and 5,391.57

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Solution

The fourth proportional to 8,224.95, 11,346.57 and 5,391.57 is: 7,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.95 : 11,346.57 = 5,391.57 : x
  2. Step 2: Convert to fraction form
    8,224.95/11,346.57 = 5,391.57/x
  3. Step 3: Cross multiply
    8,224.95x = 11,346.57 × 5,391.57
  4. Step 4: Simplify right side
    8,224.95x = 61,175,826.41
  5. Step 5: Solve for x
    x = 61,175,826.41/8,224.95
  6. Step 6: Final answer
    x = 7,437.84

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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.