Home / 9,018.65-13,528.38-3,470.02

Finding the Fourth Proportional to 9,018.65, 13,528.38 and 3,470.02

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Solution

The fourth proportional to 9,018.65, 13,528.38 and 3,470.02 is: 5,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.65 : 13,528.38 = 3,470.02 : x
  2. Step 2: Convert to fraction form
    9,018.65/13,528.38 = 3,470.02/x
  3. Step 3: Cross multiply
    9,018.65x = 13,528.38 × 3,470.02
  4. Step 4: Simplify right side
    9,018.65x = 46,943,749.17
  5. Step 5: Solve for x
    x = 46,943,749.17/9,018.65
  6. Step 6: Final answer
    x = 5,205.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.