Home / 7,001.72-10,503.12-4,231.52

Finding the Fourth Proportional to 7,001.72, 10,503.12 and 4,231.52

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Solution

The fourth proportional to 7,001.72, 10,503.12 and 4,231.52 is: 6,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.72 : 10,503.12 = 4,231.52 : x
  2. Step 2: Convert to fraction form
    7,001.72/10,503.12 = 4,231.52/x
  3. Step 3: Cross multiply
    7,001.72x = 10,503.12 × 4,231.52
  4. Step 4: Simplify right side
    7,001.72x = 44,444,162.34
  5. Step 5: Solve for x
    x = 44,444,162.34/7,001.72
  6. Step 6: Final answer
    x = 6,347.61

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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.