Home / 15,505.36-23,261.72-5,117.12

Finding the Fourth Proportional to 15,505.36, 23,261.72 and 5,117.12

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Solution

The fourth proportional to 15,505.36, 23,261.72 and 5,117.12 is: 7,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,505.36 : 23,261.72 = 5,117.12 : x
  2. Step 2: Convert to fraction form
    15,505.36/23,261.72 = 5,117.12/x
  3. Step 3: Cross multiply
    15,505.36x = 23,261.72 × 5,117.12
  4. Step 4: Simplify right side
    15,505.36x = 119,033,012.65
  5. Step 5: Solve for x
    x = 119,033,012.65/15,505.36
  6. Step 6: Final answer
    x = 7,676.89

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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.