Home / 10,656.66-15,984.33-3,260.54

Finding the Fourth Proportional to 10,656.66, 15,984.33 and 3,260.54

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Solution

The fourth proportional to 10,656.66, 15,984.33 and 3,260.54 is: 4,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.66 : 15,984.33 = 3,260.54 : x
  2. Step 2: Convert to fraction form
    10,656.66/15,984.33 = 3,260.54/x
  3. Step 3: Cross multiply
    10,656.66x = 15,984.33 × 3,260.54
  4. Step 4: Simplify right side
    10,656.66x = 52,117,547.34
  5. Step 5: Solve for x
    x = 52,117,547.34/10,656.66
  6. Step 6: Final answer
    x = 4,890.61

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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.