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Finding the Fourth Proportional to 8,529.30, 11,263.05 and 8,529.30

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Solution

The fourth proportional to 8,529.30, 11,263.05 and 8,529.30 is: 11,263.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.30 : 11,263.05 = 8,529.30 : x
  2. Step 2: Convert to fraction form
    8,529.30/11,263.05 = 8,529.30/x
  3. Step 3: Cross multiply
    8,529.30x = 11,263.05 × 8,529.30
  4. Step 4: Simplify right side
    8,529.30x = 96,065,932.37
  5. Step 5: Solve for x
    x = 96,065,932.37/8,529.30
  6. Step 6: Final answer
    x = 11,263.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.