Home / 9,118.96-12,586.26-5,584.12

Finding the Fourth Proportional to 9,118.96, 12,586.26 and 5,584.12

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Solution

The fourth proportional to 9,118.96, 12,586.26 and 5,584.12 is: 7,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.96 : 12,586.26 = 5,584.12 : x
  2. Step 2: Convert to fraction form
    9,118.96/12,586.26 = 5,584.12/x
  3. Step 3: Cross multiply
    9,118.96x = 12,586.26 × 5,584.12
  4. Step 4: Simplify right side
    9,118.96x = 70,283,186.19
  5. Step 5: Solve for x
    x = 70,283,186.19/9,118.96
  6. Step 6: Final answer
    x = 7,707.37

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Half scale
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Double scale
Find fourth proportional to 9,119.96, 12,587.64 and 5,585.12
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.