Home / 9,015.06-13,522.59-3,172.53

Finding the Fourth Proportional to 9,015.06, 13,522.59 and 3,172.53

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Solution

The fourth proportional to 9,015.06, 13,522.59 and 3,172.53 is: 4,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.06 : 13,522.59 = 3,172.53 : x
  2. Step 2: Convert to fraction form
    9,015.06/13,522.59 = 3,172.53/x
  3. Step 3: Cross multiply
    9,015.06x = 13,522.59 × 3,172.53
  4. Step 4: Simplify right side
    9,015.06x = 42,900,822.45
  5. Step 5: Solve for x
    x = 42,900,822.45/9,015.06
  6. Step 6: Final answer
    x = 4,758.80

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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.