Home / 11,075.92-16,587.96-8,305.36

Finding the Fourth Proportional to 11,075.92, 16,587.96 and 8,305.36

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Solution

The fourth proportional to 11,075.92, 16,587.96 and 8,305.36 is: 12,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,075.92 : 16,587.96 = 8,305.36 : x
  2. Step 2: Convert to fraction form
    11,075.92/16,587.96 = 8,305.36/x
  3. Step 3: Cross multiply
    11,075.92x = 16,587.96 × 8,305.36
  4. Step 4: Simplify right side
    11,075.92x = 137,768,979.47
  5. Step 5: Solve for x
    x = 137,768,979.47/11,075.92
  6. Step 6: Final answer
    x = 12,438.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.