Home / 8,014.79-11,001.15-7,672.26

Finding the Fourth Proportional to 8,014.79, 11,001.15 and 7,672.26

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Solution

The fourth proportional to 8,014.79, 11,001.15 and 7,672.26 is: 10,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.79 : 11,001.15 = 7,672.26 : x
  2. Step 2: Convert to fraction form
    8,014.79/11,001.15 = 7,672.26/x
  3. Step 3: Cross multiply
    8,014.79x = 11,001.15 × 7,672.26
  4. Step 4: Simplify right side
    8,014.79x = 84,403,679.37
  5. Step 5: Solve for x
    x = 84,403,679.37/8,014.79
  6. Step 6: Final answer
    x = 10,531.00

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Half scale
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Double scale
Find fourth proportional to 8,015.79, 11,002.53 and 7,673.26
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.