Home / 7,434.56-11,151.52-1,888.08

Finding the Fourth Proportional to 7,434.56, 11,151.52 and 1,888.08

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Solution

The fourth proportional to 7,434.56, 11,151.52 and 1,888.08 is: 2,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.56 : 11,151.52 = 1,888.08 : x
  2. Step 2: Convert to fraction form
    7,434.56/11,151.52 = 1,888.08/x
  3. Step 3: Cross multiply
    7,434.56x = 11,151.52 × 1,888.08
  4. Step 4: Simplify right side
    7,434.56x = 21,054,961.88
  5. Step 5: Solve for x
    x = 21,054,961.88/7,434.56
  6. Step 6: Final answer
    x = 2,832.04

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Half scale
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Double scale
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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.