Home / 10,876.44-15,018.68-6,904.60

Finding the Fourth Proportional to 10,876.44, 15,018.68 and 6,904.60

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Solution

The fourth proportional to 10,876.44, 15,018.68 and 6,904.60 is: 9,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.44 : 15,018.68 = 6,904.60 : x
  2. Step 2: Convert to fraction form
    10,876.44/15,018.68 = 6,904.60/x
  3. Step 3: Cross multiply
    10,876.44x = 15,018.68 × 6,904.60
  4. Step 4: Simplify right side
    10,876.44x = 103,697,977.93
  5. Step 5: Solve for x
    x = 103,697,977.93/10,876.44
  6. Step 6: Final answer
    x = 9,534.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.