Home / 8,399,384-11,594,732.72-5,647,666.40

Finding the Fourth Proportional to 8,399,384, 11,594,732.72 and 5,647,666.40

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Solution

The fourth proportional to 8,399,384, 11,594,732.72 and 5,647,666.40 is: 7,796,188.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,384 : 11,594,732.72 = 5,647,666.40 : x
  2. Step 2: Convert to fraction form
    8,399,384/11,594,732.72 = 5,647,666.40/x
  3. Step 3: Cross multiply
    8,399,384x = 11,594,732.72 × 5,647,666.40
  4. Step 4: Simplify right side
    8,399,384x = 65,483,182,399,724.62
  5. Step 5: Solve for x
    x = 65,483,182,399,724.62/8,399,384
  6. Step 6: Final answer
    x = 7,796,188.67

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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.