Home / 10,855.08-14,986.73-8,332.36

Finding the Fourth Proportional to 10,855.08, 14,986.73 and 8,332.36

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Solution

The fourth proportional to 10,855.08, 14,986.73 and 8,332.36 is: 11,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.08 : 14,986.73 = 8,332.36 : x
  2. Step 2: Convert to fraction form
    10,855.08/14,986.73 = 8,332.36/x
  3. Step 3: Cross multiply
    10,855.08x = 14,986.73 × 8,332.36
  4. Step 4: Simplify right side
    10,855.08x = 124,874,829.58
  5. Step 5: Solve for x
    x = 124,874,829.58/10,855.08
  6. Step 6: Final answer
    x = 11,503.81

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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.