Home / 11,223.99-15,488.01-6,507.75

Finding the Fourth Proportional to 11,223.99, 15,488.01 and 6,507.75

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Solution

The fourth proportional to 11,223.99, 15,488.01 and 6,507.75 is: 8,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.99 : 15,488.01 = 6,507.75 : x
  2. Step 2: Convert to fraction form
    11,223.99/15,488.01 = 6,507.75/x
  3. Step 3: Cross multiply
    11,223.99x = 15,488.01 × 6,507.75
  4. Step 4: Simplify right side
    11,223.99x = 100,792,097.08
  5. Step 5: Solve for x
    x = 100,792,097.08/11,223.99
  6. Step 6: Final answer
    x = 8,980.06

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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.