Home / 9,031.77-13,574.39-8,786.34

Finding the Fourth Proportional to 9,031.77, 13,574.39 and 8,786.34

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Solution

The fourth proportional to 9,031.77, 13,574.39 and 8,786.34 is: 13,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.77 : 13,574.39 = 8,786.34 : x
  2. Step 2: Convert to fraction form
    9,031.77/13,574.39 = 8,786.34/x
  3. Step 3: Cross multiply
    9,031.77x = 13,574.39 × 8,786.34
  4. Step 4: Simplify right side
    9,031.77x = 119,269,205.83
  5. Step 5: Solve for x
    x = 119,269,205.83/9,031.77
  6. Step 6: Final answer
    x = 13,205.52

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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.