Home / 9,538.51-13,163.16-5,346.76

Finding the Fourth Proportional to 9,538.51, 13,163.16 and 5,346.76

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Solution

The fourth proportional to 9,538.51, 13,163.16 and 5,346.76 is: 7,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.51 : 13,163.16 = 5,346.76 : x
  2. Step 2: Convert to fraction form
    9,538.51/13,163.16 = 5,346.76/x
  3. Step 3: Cross multiply
    9,538.51x = 13,163.16 × 5,346.76
  4. Step 4: Simplify right side
    9,538.51x = 70,380,257.36
  5. Step 5: Solve for x
    x = 70,380,257.36/9,538.51
  6. Step 6: Final answer
    x = 7,378.54

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Half scale
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Double scale
Find fourth proportional to 9,539.51, 13,164.54 and 5,347.76
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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.