Home / 10,688.56-16,032.16-3,292.40

Finding the Fourth Proportional to 10,688.56, 16,032.16 and 3,292.40

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Solution

The fourth proportional to 10,688.56, 16,032.16 and 3,292.40 is: 4,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.56 : 16,032.16 = 3,292.40 : x
  2. Step 2: Convert to fraction form
    10,688.56/16,032.16 = 3,292.40/x
  3. Step 3: Cross multiply
    10,688.56x = 16,032.16 × 3,292.40
  4. Step 4: Simplify right side
    10,688.56x = 52,784,283.58
  5. Step 5: Solve for x
    x = 52,784,283.58/10,688.56
  6. Step 6: Final answer
    x = 4,938.39

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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.