Home / 9,072.99-12,522.08-5,538.24

Finding the Fourth Proportional to 9,072.99, 12,522.08 and 5,538.24

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Solution

The fourth proportional to 9,072.99, 12,522.08 and 5,538.24 is: 7,643.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.99 : 12,522.08 = 5,538.24 : x
  2. Step 2: Convert to fraction form
    9,072.99/12,522.08 = 5,538.24/x
  3. Step 3: Cross multiply
    9,072.99x = 12,522.08 × 5,538.24
  4. Step 4: Simplify right side
    9,072.99x = 69,350,298.18
  5. Step 5: Solve for x
    x = 69,350,298.18/9,072.99
  6. Step 6: Final answer
    x = 7,643.60

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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.