Home / 10,886.12-16,335.33-4,645.54

Finding the Fourth Proportional to 10,886.12, 16,335.33 and 4,645.54

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Solution

The fourth proportional to 10,886.12, 16,335.33 and 4,645.54 is: 6,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.12 : 16,335.33 = 4,645.54 : x
  2. Step 2: Convert to fraction form
    10,886.12/16,335.33 = 4,645.54/x
  3. Step 3: Cross multiply
    10,886.12x = 16,335.33 × 4,645.54
  4. Step 4: Simplify right side
    10,886.12x = 75,886,428.93
  5. Step 5: Solve for x
    x = 75,886,428.93/10,886.12
  6. Step 6: Final answer
    x = 6,970.93

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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.