Home / 9,276.11-12,802.68-7,034.21

Finding the Fourth Proportional to 9,276.11, 12,802.68 and 7,034.21

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Solution

The fourth proportional to 9,276.11, 12,802.68 and 7,034.21 is: 9,708.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.11 : 12,802.68 = 7,034.21 : x
  2. Step 2: Convert to fraction form
    9,276.11/12,802.68 = 7,034.21/x
  3. Step 3: Cross multiply
    9,276.11x = 12,802.68 × 7,034.21
  4. Step 4: Simplify right side
    9,276.11x = 90,056,640.50
  5. Step 5: Solve for x
    x = 90,056,640.50/9,276.11
  6. Step 6: Final answer
    x = 9,708.45

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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.