Home / 11,816.16-17,631.67-10,575.04

Finding the Fourth Proportional to 11,816.16, 17,631.67 and 10,575.04

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Solution

The fourth proportional to 11,816.16, 17,631.67 and 10,575.04 is: 15,779.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.16 : 17,631.67 = 10,575.04 : x
  2. Step 2: Convert to fraction form
    11,816.16/17,631.67 = 10,575.04/x
  3. Step 3: Cross multiply
    11,816.16x = 17,631.67 × 10,575.04
  4. Step 4: Simplify right side
    11,816.16x = 186,455,615.52
  5. Step 5: Solve for x
    x = 186,455,615.52/11,816.16
  6. Step 6: Final answer
    x = 15,779.71

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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.