Home / 11,506.02-15,874.56-6,789.42

Finding the Fourth Proportional to 11,506.02, 15,874.56 and 6,789.42

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Solution

The fourth proportional to 11,506.02, 15,874.56 and 6,789.42 is: 9,367.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.02 : 15,874.56 = 6,789.42 : x
  2. Step 2: Convert to fraction form
    11,506.02/15,874.56 = 6,789.42/x
  3. Step 3: Cross multiply
    11,506.02x = 15,874.56 × 6,789.42
  4. Step 4: Simplify right side
    11,506.02x = 107,779,055.16
  5. Step 5: Solve for x
    x = 107,779,055.16/11,506.02
  6. Step 6: Final answer
    x = 9,367.19

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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.