Home / 11,869.32-16,379.48-6,564.22

Finding the Fourth Proportional to 11,869.32, 16,379.48 and 6,564.22

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Solution

The fourth proportional to 11,869.32, 16,379.48 and 6,564.22 is: 9,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.32 : 16,379.48 = 6,564.22 : x
  2. Step 2: Convert to fraction form
    11,869.32/16,379.48 = 6,564.22/x
  3. Step 3: Cross multiply
    11,869.32x = 16,379.48 × 6,564.22
  4. Step 4: Simplify right side
    11,869.32x = 107,518,510.21
  5. Step 5: Solve for x
    x = 107,518,510.21/11,869.32
  6. Step 6: Final answer
    x = 9,058.52

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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.