Home / 7,010.12-10,513.35-2,078.44

Finding the Fourth Proportional to 7,010.12, 10,513.35 and 2,078.44

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Solution

The fourth proportional to 7,010.12, 10,513.35 and 2,078.44 is: 3,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.12 : 10,513.35 = 2,078.44 : x
  2. Step 2: Convert to fraction form
    7,010.12/10,513.35 = 2,078.44/x
  3. Step 3: Cross multiply
    7,010.12x = 10,513.35 × 2,078.44
  4. Step 4: Simplify right side
    7,010.12x = 21,851,314.61
  5. Step 5: Solve for x
    x = 21,851,314.61/7,010.12
  6. Step 6: Final answer
    x = 3,117.11

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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.