Home / 11,160.66-16,740.99-8,697.32

Finding the Fourth Proportional to 11,160.66, 16,740.99 and 8,697.32

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Solution

The fourth proportional to 11,160.66, 16,740.99 and 8,697.32 is: 13,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.66 : 16,740.99 = 8,697.32 : x
  2. Step 2: Convert to fraction form
    11,160.66/16,740.99 = 8,697.32/x
  3. Step 3: Cross multiply
    11,160.66x = 16,740.99 × 8,697.32
  4. Step 4: Simplify right side
    11,160.66x = 145,601,703.66
  5. Step 5: Solve for x
    x = 145,601,703.66/11,160.66
  6. Step 6: Final answer
    x = 13,045.98

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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.