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Finding the Fourth Proportional to 11,468.02, 15,828.69 and 6,994.24

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Solution

The fourth proportional to 11,468.02, 15,828.69 and 6,994.24 is: 9,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,468.02 : 15,828.69 = 6,994.24 : x
  2. Step 2: Convert to fraction form
    11,468.02/15,828.69 = 6,994.24/x
  3. Step 3: Cross multiply
    11,468.02x = 15,828.69 × 6,994.24
  4. Step 4: Simplify right side
    11,468.02x = 110,709,656.75
  5. Step 5: Solve for x
    x = 110,709,656.75/11,468.02
  6. Step 6: Final answer
    x = 9,653.77

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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.