Home / 7,434.81-11,152.17-1,888.14

Finding the Fourth Proportional to 7,434.81, 11,152.17 and 1,888.14

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Solution

The fourth proportional to 7,434.81, 11,152.17 and 1,888.14 is: 2,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.81 : 11,152.17 = 1,888.14 : x
  2. Step 2: Convert to fraction form
    7,434.81/11,152.17 = 1,888.14/x
  3. Step 3: Cross multiply
    7,434.81x = 11,152.17 × 1,888.14
  4. Step 4: Simplify right side
    7,434.81x = 21,056,858.26
  5. Step 5: Solve for x
    x = 21,056,858.26/7,434.81
  6. Step 6: Final answer
    x = 2,832.20

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Similar ratio
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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.