Home / 8,688.33-13,031.60-2,448.18

Finding the Fourth Proportional to 8,688.33, 13,031.60 and 2,448.18

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Solution

The fourth proportional to 8,688.33, 13,031.60 and 2,448.18 is: 3,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.33 : 13,031.60 = 2,448.18 : x
  2. Step 2: Convert to fraction form
    8,688.33/13,031.60 = 2,448.18/x
  3. Step 3: Cross multiply
    8,688.33x = 13,031.60 × 2,448.18
  4. Step 4: Simplify right side
    8,688.33x = 31,903,690.25
  5. Step 5: Solve for x
    x = 31,903,690.25/8,688.33
  6. Step 6: Final answer
    x = 3,672.02

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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.