Home / 9,292.24-12,814.72-8,621.56

Finding the Fourth Proportional to 9,292.24, 12,814.72 and 8,621.56

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Solution

The fourth proportional to 9,292.24, 12,814.72 and 8,621.56 is: 11,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.24 : 12,814.72 = 8,621.56 : x
  2. Step 2: Convert to fraction form
    9,292.24/12,814.72 = 8,621.56/x
  3. Step 3: Cross multiply
    9,292.24x = 12,814.72 × 8,621.56
  4. Step 4: Simplify right side
    9,292.24x = 110,482,877.36
  5. Step 5: Solve for x
    x = 110,482,877.36/9,292.24
  6. Step 6: Final answer
    x = 11,889.80

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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.