Home / 9,322.29-12,858.35-8,923.77

Finding the Fourth Proportional to 9,322.29, 12,858.35 and 8,923.77

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Solution

The fourth proportional to 9,322.29, 12,858.35 and 8,923.77 is: 12,308.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.29 : 12,858.35 = 8,923.77 : x
  2. Step 2: Convert to fraction form
    9,322.29/12,858.35 = 8,923.77/x
  3. Step 3: Cross multiply
    9,322.29x = 12,858.35 × 8,923.77
  4. Step 4: Simplify right side
    9,322.29x = 114,744,913.36
  5. Step 5: Solve for x
    x = 114,744,913.36/9,322.29
  6. Step 6: Final answer
    x = 12,308.66

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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.