Home / 9,631.84-13,291.77-5,382.63

Finding the Fourth Proportional to 9,631.84, 13,291.77 and 5,382.63

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Solution

The fourth proportional to 9,631.84, 13,291.77 and 5,382.63 is: 7,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.84 : 13,291.77 = 5,382.63 : x
  2. Step 2: Convert to fraction form
    9,631.84/13,291.77 = 5,382.63/x
  3. Step 3: Cross multiply
    9,631.84x = 13,291.77 × 5,382.63
  4. Step 4: Simplify right side
    9,631.84x = 71,544,679.96
  5. Step 5: Solve for x
    x = 71,544,679.96/9,631.84
  6. Step 6: Final answer
    x = 7,427.93

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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.