Home / 11,505.52-17,162.45-11,315.00

Finding the Fourth Proportional to 11,505.52, 17,162.45 and 11,315.00

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Solution

The fourth proportional to 11,505.52, 17,162.45 and 11,315.00 is: 16,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505.52 : 17,162.45 = 11,315.00 : x
  2. Step 2: Convert to fraction form
    11,505.52/17,162.45 = 11,315.00/x
  3. Step 3: Cross multiply
    11,505.52x = 17,162.45 × 11,315.00
  4. Step 4: Simplify right side
    11,505.52x = 194,193,108.08
  5. Step 5: Solve for x
    x = 194,193,108.08/11,505.52
  6. Step 6: Final answer
    x = 16,878.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.