Home / 9,631.51-13,291.75-5,382.45

Finding the Fourth Proportional to 9,631.51, 13,291.75 and 5,382.45

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Solution

The fourth proportional to 9,631.51, 13,291.75 and 5,382.45 is: 7,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.51 : 13,291.75 = 5,382.45 : x
  2. Step 2: Convert to fraction form
    9,631.51/13,291.75 = 5,382.45/x
  3. Step 3: Cross multiply
    9,631.51x = 13,291.75 × 5,382.45
  4. Step 4: Simplify right side
    9,631.51x = 71,542,156.24
  5. Step 5: Solve for x
    x = 71,542,156.24/9,631.51
  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.