Home / 8,907.19-13,360.79-3,713.06

Finding the Fourth Proportional to 8,907.19, 13,360.79 and 3,713.06

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Solution

The fourth proportional to 8,907.19, 13,360.79 and 3,713.06 is: 5,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.19 : 13,360.79 = 3,713.06 : x
  2. Step 2: Convert to fraction form
    8,907.19/13,360.79 = 3,713.06/x
  3. Step 3: Cross multiply
    8,907.19x = 13,360.79 × 3,713.06
  4. Step 4: Simplify right side
    8,907.19x = 49,609,429.75
  5. Step 5: Solve for x
    x = 49,609,429.75/8,907.19
  6. Step 6: Final answer
    x = 5,569.60

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1.5x scale

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.