Home / 6,291.11-9,432.53-3,518.07

Finding the Fourth Proportional to 6,291.11, 9,432.53 and 3,518.07

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Solution

The fourth proportional to 6,291.11, 9,432.53 and 3,518.07 is: 5,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.11 : 9,432.53 = 3,518.07 : x
  2. Step 2: Convert to fraction form
    6,291.11/9,432.53 = 3,518.07/x
  3. Step 3: Cross multiply
    6,291.11x = 9,432.53 × 3,518.07
  4. Step 4: Simplify right side
    6,291.11x = 33,184,300.82
  5. Step 5: Solve for x
    x = 33,184,300.82/6,291.11
  6. Step 6: Final answer
    x = 5,274.79

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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.