Home / 7,503.42-11,239.32-4,171.47

Finding the Fourth Proportional to 7,503.42, 11,239.32 and 4,171.47

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Solution

The fourth proportional to 7,503.42, 11,239.32 and 4,171.47 is: 6,248.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.42 : 11,239.32 = 4,171.47 : x
  2. Step 2: Convert to fraction form
    7,503.42/11,239.32 = 4,171.47/x
  3. Step 3: Cross multiply
    7,503.42x = 11,239.32 × 4,171.47
  4. Step 4: Simplify right side
    7,503.42x = 46,884,486.20
  5. Step 5: Solve for x
    x = 46,884,486.20/7,503.42
  6. Step 6: Final answer
    x = 6,248.42

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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.