Home / 11,238.46-15,509.01-6,522.64

Finding the Fourth Proportional to 11,238.46, 15,509.01 and 6,522.64

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Solution

The fourth proportional to 11,238.46, 15,509.01 and 6,522.64 is: 9,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.46 : 15,509.01 = 6,522.64 : x
  2. Step 2: Convert to fraction form
    11,238.46/15,509.01 = 6,522.64/x
  3. Step 3: Cross multiply
    11,238.46x = 15,509.01 × 6,522.64
  4. Step 4: Simplify right side
    11,238.46x = 101,159,688.99
  5. Step 5: Solve for x
    x = 101,159,688.99/11,238.46
  6. Step 6: Final answer
    x = 9,001.21

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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.