Home / 11,257.63-16,877.35-4,688.76

Finding the Fourth Proportional to 11,257.63, 16,877.35 and 4,688.76

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Solution

The fourth proportional to 11,257.63, 16,877.35 and 4,688.76 is: 7,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.63 : 16,877.35 = 4,688.76 : x
  2. Step 2: Convert to fraction form
    11,257.63/16,877.35 = 4,688.76/x
  3. Step 3: Cross multiply
    11,257.63x = 16,877.35 × 4,688.76
  4. Step 4: Simplify right side
    11,257.63x = 79,133,843.59
  5. Step 5: Solve for x
    x = 79,133,843.59/11,257.63
  6. Step 6: Final answer
    x = 7,029.35

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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.