Home / 10,638.10-15,965.66-4,795.17

Finding the Fourth Proportional to 10,638.10, 15,965.66 and 4,795.17

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Solution

The fourth proportional to 10,638.10, 15,965.66 and 4,795.17 is: 7,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.10 : 15,965.66 = 4,795.17 : x
  2. Step 2: Convert to fraction form
    10,638.10/15,965.66 = 4,795.17/x
  3. Step 3: Cross multiply
    10,638.10x = 15,965.66 × 4,795.17
  4. Step 4: Simplify right side
    10,638.10x = 76,557,979.01
  5. Step 5: Solve for x
    x = 76,557,979.01/10,638.10
  6. Step 6: Final answer
    x = 7,196.58

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1.5x scale

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.