Home / 11,711.02-16,160.64-6,675.46

Finding the Fourth Proportional to 11,711.02, 16,160.64 and 6,675.46

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Solution

The fourth proportional to 11,711.02, 16,160.64 and 6,675.46 is: 9,211.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.02 : 16,160.64 = 6,675.46 : x
  2. Step 2: Convert to fraction form
    11,711.02/16,160.64 = 6,675.46/x
  3. Step 3: Cross multiply
    11,711.02x = 16,160.64 × 6,675.46
  4. Step 4: Simplify right side
    11,711.02x = 107,879,705.89
  5. Step 5: Solve for x
    x = 107,879,705.89/11,711.02
  6. Step 6: Final answer
    x = 9,211.81

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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.