Home / 8,530.31-11,777.63-5,344.92

Finding the Fourth Proportional to 8,530.31, 11,777.63 and 5,344.92

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Solution

The fourth proportional to 8,530.31, 11,777.63 and 5,344.92 is: 7,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.31 : 11,777.63 = 5,344.92 : x
  2. Step 2: Convert to fraction form
    8,530.31/11,777.63 = 5,344.92/x
  3. Step 3: Cross multiply
    8,530.31x = 11,777.63 × 5,344.92
  4. Step 4: Simplify right side
    8,530.31x = 62,950,463.42
  5. Step 5: Solve for x
    x = 62,950,463.42/8,530.31
  6. Step 6: Final answer
    x = 7,379.63

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Half scale
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Double scale
Find fourth proportional to 8,531.31, 11,779.01 and 5,345.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.