Home / 10,460.31-15,690.57-2,669.13

Finding the Fourth Proportional to 10,460.31, 15,690.57 and 2,669.13

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Solution

The fourth proportional to 10,460.31, 15,690.57 and 2,669.13 is: 4,003.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.31 : 15,690.57 = 2,669.13 : x
  2. Step 2: Convert to fraction form
    10,460.31/15,690.57 = 2,669.13/x
  3. Step 3: Cross multiply
    10,460.31x = 15,690.57 × 2,669.13
  4. Step 4: Simplify right side
    10,460.31x = 41,880,171.10
  5. Step 5: Solve for x
    x = 41,880,171.10/10,460.31
  6. Step 6: Final answer
    x = 4,003.72

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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.