Home / 11,118.15-16,671.65-4,875.41

Finding the Fourth Proportional to 11,118.15, 16,671.65 and 4,875.41

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Solution

The fourth proportional to 11,118.15, 16,671.65 and 4,875.41 is: 7,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.15 : 16,671.65 = 4,875.41 : x
  2. Step 2: Convert to fraction form
    11,118.15/16,671.65 = 4,875.41/x
  3. Step 3: Cross multiply
    11,118.15x = 16,671.65 × 4,875.41
  4. Step 4: Simplify right side
    11,118.15x = 81,281,146.43
  5. Step 5: Solve for x
    x = 81,281,146.43/11,118.15
  6. Step 6: Final answer
    x = 7,310.67

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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.