Home / 7,731.48-11,587.96-5,064.42

Finding the Fourth Proportional to 7,731.48, 11,587.96 and 5,064.42

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Solution

The fourth proportional to 7,731.48, 11,587.96 and 5,064.42 is: 7,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.48 : 11,587.96 = 5,064.42 : x
  2. Step 2: Convert to fraction form
    7,731.48/11,587.96 = 5,064.42/x
  3. Step 3: Cross multiply
    7,731.48x = 11,587.96 × 5,064.42
  4. Step 4: Simplify right side
    7,731.48x = 58,686,346.17
  5. Step 5: Solve for x
    x = 58,686,346.17/7,731.48
  6. Step 6: Final answer
    x = 7,590.57

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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.