Home / 7,374.13-11,066.55-5,530.21

Finding the Fourth Proportional to 7,374.13, 11,066.55 and 5,530.21

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Solution

The fourth proportional to 7,374.13, 11,066.55 and 5,530.21 is: 8,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.13 : 11,066.55 = 5,530.21 : x
  2. Step 2: Convert to fraction form
    7,374.13/11,066.55 = 5,530.21/x
  3. Step 3: Cross multiply
    7,374.13x = 11,066.55 × 5,530.21
  4. Step 4: Simplify right side
    7,374.13x = 61,200,345.48
  5. Step 5: Solve for x
    x = 61,200,345.48/7,374.13
  6. Step 6: Final answer
    x = 8,299.33

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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.