Home / 7,351.22-10,140.29-6,859.14

Finding the Fourth Proportional to 7,351.22, 10,140.29 and 6,859.14

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Solution

The fourth proportional to 7,351.22, 10,140.29 and 6,859.14 is: 9,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.22 : 10,140.29 = 6,859.14 : x
  2. Step 2: Convert to fraction form
    7,351.22/10,140.29 = 6,859.14/x
  3. Step 3: Cross multiply
    7,351.22x = 10,140.29 × 6,859.14
  4. Step 4: Simplify right side
    7,351.22x = 69,553,634.45
  5. Step 5: Solve for x
    x = 69,553,634.45/7,351.22
  6. Step 6: Final answer
    x = 9,461.52

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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.