Home / 11,111.10-16,666.65-4,533.90

Finding the Fourth Proportional to 11,111.10, 16,666.65 and 4,533.90

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Solution

The fourth proportional to 11,111.10, 16,666.65 and 4,533.90 is: 6,800.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.10 : 16,666.65 = 4,533.90 : x
  2. Step 2: Convert to fraction form
    11,111.10/16,666.65 = 4,533.90/x
  3. Step 3: Cross multiply
    11,111.10x = 16,666.65 × 4,533.90
  4. Step 4: Simplify right side
    11,111.10x = 75,564,924.44
  5. Step 5: Solve for x
    x = 75,564,924.44/11,111.10
  6. Step 6: Final answer
    x = 6,800.85

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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.