Home / 8,155.89-11,254.14-4,618.22

Finding the Fourth Proportional to 8,155.89, 11,254.14 and 4,618.22

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Solution

The fourth proportional to 8,155.89, 11,254.14 and 4,618.22 is: 6,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.89 : 11,254.14 = 4,618.22 : x
  2. Step 2: Convert to fraction form
    8,155.89/11,254.14 = 4,618.22/x
  3. Step 3: Cross multiply
    8,155.89x = 11,254.14 × 4,618.22
  4. Step 4: Simplify right side
    8,155.89x = 51,974,038.16
  5. Step 5: Solve for x
    x = 51,974,038.16/8,155.89
  6. Step 6: Final answer
    x = 6,372.58

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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.