Home / 9,338.75-12,886.86-5,562.19

Finding the Fourth Proportional to 9,338.75, 12,886.86 and 5,562.19

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Solution

The fourth proportional to 9,338.75, 12,886.86 and 5,562.19 is: 7,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.75 : 12,886.86 = 5,562.19 : x
  2. Step 2: Convert to fraction form
    9,338.75/12,886.86 = 5,562.19/x
  3. Step 3: Cross multiply
    9,338.75x = 12,886.86 × 5,562.19
  4. Step 4: Simplify right side
    9,338.75x = 71,679,163.82
  5. Step 5: Solve for x
    x = 71,679,163.82/9,338.75
  6. Step 6: Final answer
    x = 7,675.46

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Half scale
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Double scale
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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.