Home / 8,737.76-13,111.48-2,896.08

Finding the Fourth Proportional to 8,737.76, 13,111.48 and 2,896.08

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Solution

The fourth proportional to 8,737.76, 13,111.48 and 2,896.08 is: 4,345.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.76 : 13,111.48 = 2,896.08 : x
  2. Step 2: Convert to fraction form
    8,737.76/13,111.48 = 2,896.08/x
  3. Step 3: Cross multiply
    8,737.76x = 13,111.48 × 2,896.08
  4. Step 4: Simplify right side
    8,737.76x = 37,971,895.00
  5. Step 5: Solve for x
    x = 37,971,895.00/8,737.76
  6. Step 6: Final answer
    x = 4,345.72

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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.