Home / 11,133.40-16,666.60-6,737.28

Finding the Fourth Proportional to 11,133.40, 16,666.60 and 6,737.28

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Solution

The fourth proportional to 11,133.40, 16,666.60 and 6,737.28 is: 10,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.40 : 16,666.60 = 6,737.28 : x
  2. Step 2: Convert to fraction form
    11,133.40/16,666.60 = 6,737.28/x
  3. Step 3: Cross multiply
    11,133.40x = 16,666.60 × 6,737.28
  4. Step 4: Simplify right side
    11,133.40x = 112,287,550.85
  5. Step 5: Solve for x
    x = 112,287,550.85/11,133.40
  6. Step 6: Final answer
    x = 10,085.65

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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.