Home / 11,855.36-16,360.16-6,550.08

Finding the Fourth Proportional to 11,855.36, 16,360.16 and 6,550.08

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Solution

The fourth proportional to 11,855.36, 16,360.16 and 6,550.08 is: 9,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855.36 : 16,360.16 = 6,550.08 : x
  2. Step 2: Convert to fraction form
    11,855.36/16,360.16 = 6,550.08/x
  3. Step 3: Cross multiply
    11,855.36x = 16,360.16 × 6,550.08
  4. Step 4: Simplify right side
    11,855.36x = 107,160,356.81
  5. Step 5: Solve for x
    x = 107,160,356.81/11,855.36
  6. Step 6: Final answer
    x = 9,038.98

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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.