Home / 8,365.56-11,545.79-6,126.32

Finding the Fourth Proportional to 8,365.56, 11,545.79 and 6,126.32

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Solution

The fourth proportional to 8,365.56, 11,545.79 and 6,126.32 is: 8,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.56 : 11,545.79 = 6,126.32 : x
  2. Step 2: Convert to fraction form
    8,365.56/11,545.79 = 6,126.32/x
  3. Step 3: Cross multiply
    8,365.56x = 11,545.79 × 6,126.32
  4. Step 4: Simplify right side
    8,365.56x = 70,733,115.83
  5. Step 5: Solve for x
    x = 70,733,115.83/8,365.56
  6. Step 6: Final answer
    x = 8,455.28

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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.