Home / 13,282.01-18,329.31-7,232.30

Finding the Fourth Proportional to 13,282.01, 18,329.31 and 7,232.30

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Solution

The fourth proportional to 13,282.01, 18,329.31 and 7,232.30 is: 9,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.01 : 18,329.31 = 7,232.30 : x
  2. Step 2: Convert to fraction form
    13,282.01/18,329.31 = 7,232.30/x
  3. Step 3: Cross multiply
    13,282.01x = 18,329.31 × 7,232.30
  4. Step 4: Simplify right side
    13,282.01x = 132,562,977.07
  5. Step 5: Solve for x
    x = 132,562,977.07/13,282.01
  6. Step 6: Final answer
    x = 9,980.65

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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.