Home / 8,011.99-11,056.36-4,426.72

Finding the Fourth Proportional to 8,011.99, 11,056.36 and 4,426.72

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Solution

The fourth proportional to 8,011.99, 11,056.36 and 4,426.72 is: 6,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.99 : 11,056.36 = 4,426.72 : x
  2. Step 2: Convert to fraction form
    8,011.99/11,056.36 = 4,426.72/x
  3. Step 3: Cross multiply
    8,011.99x = 11,056.36 × 4,426.72
  4. Step 4: Simplify right side
    8,011.99x = 48,943,409.94
  5. Step 5: Solve for x
    x = 48,943,409.94/8,011.99
  6. Step 6: Final answer
    x = 6,108.77

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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.