Home / 8,865.16-13,290.60-4,916.32

Finding the Fourth Proportional to 8,865.16, 13,290.60 and 4,916.32

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Solution

The fourth proportional to 8,865.16, 13,290.60 and 4,916.32 is: 7,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.16 : 13,290.60 = 4,916.32 : x
  2. Step 2: Convert to fraction form
    8,865.16/13,290.60 = 4,916.32/x
  3. Step 3: Cross multiply
    8,865.16x = 13,290.60 × 4,916.32
  4. Step 4: Simplify right side
    8,865.16x = 65,340,842.59
  5. Step 5: Solve for x
    x = 65,340,842.59/8,865.16
  6. Step 6: Final answer
    x = 7,370.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.