Home / 7,218.66-10,829.12-3,058.68

Finding the Fourth Proportional to 7,218.66, 10,829.12 and 3,058.68

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Solution

The fourth proportional to 7,218.66, 10,829.12 and 3,058.68 is: 4,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.66 : 10,829.12 = 3,058.68 : x
  2. Step 2: Convert to fraction form
    7,218.66/10,829.12 = 3,058.68/x
  3. Step 3: Cross multiply
    7,218.66x = 10,829.12 × 3,058.68
  4. Step 4: Simplify right side
    7,218.66x = 33,122,812.76
  5. Step 5: Solve for x
    x = 33,122,812.76/7,218.66
  6. Step 6: Final answer
    x = 4,588.50

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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.