Home / 8,303,403.29-11,448,516.32-6,828,156.36

Finding the Fourth Proportional to 8,303,403.29, 11,448,516.32 and 6,828,156.36

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Solution

The fourth proportional to 8,303,403.29, 11,448,516.32 and 6,828,156.36 is: 9,414,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,403.29 : 11,448,516.32 = 6,828,156.36 : x
  2. Step 2: Convert to fraction form
    8,303,403.29/11,448,516.32 = 6,828,156.36/x
  3. Step 3: Cross multiply
    8,303,403.29x = 11,448,516.32 × 6,828,156.36
  4. Step 4: Simplify right side
    8,303,403.29x = 78,172,259,561,508.16
  5. Step 5: Solve for x
    x = 78,172,259,561,508.16/8,303,403.29
  6. Step 6: Final answer
    x = 9,414,484.26

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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.