Home / 7,353.13-11,029.69-1,881.13

Finding the Fourth Proportional to 7,353.13, 11,029.69 and 1,881.13

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Solution

The fourth proportional to 7,353.13, 11,029.69 and 1,881.13 is: 2,821.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.13 : 11,029.69 = 1,881.13 : x
  2. Step 2: Convert to fraction form
    7,353.13/11,029.69 = 1,881.13/x
  3. Step 3: Cross multiply
    7,353.13x = 11,029.69 × 1,881.13
  4. Step 4: Simplify right side
    7,353.13x = 20,748,280.75
  5. Step 5: Solve for x
    x = 20,748,280.75/7,353.13
  6. Step 6: Final answer
    x = 2,821.69

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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.