Home / 8,291,073.72-11,436,448.59-5,708,270.46

Finding the Fourth Proportional to 8,291,073.72, 11,436,448.59 and 5,708,270.46

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Solution

The fourth proportional to 8,291,073.72, 11,436,448.59 and 5,708,270.46 is: 7,873,810.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,073.72 : 11,436,448.59 = 5,708,270.46 : x
  2. Step 2: Convert to fraction form
    8,291,073.72/11,436,448.59 = 5,708,270.46/x
  3. Step 3: Cross multiply
    8,291,073.72x = 11,436,448.59 × 5,708,270.46
  4. Step 4: Simplify right side
    8,291,073.72x = 65,282,341,653,605.65
  5. Step 5: Solve for x
    x = 65,282,341,653,605.65/8,291,073.72
  6. Step 6: Final answer
    x = 7,873,810.30

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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.