Home / 11,575.50-17,386.56-6,904.64

Finding the Fourth Proportional to 11,575.50, 17,386.56 and 6,904.64

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Solution

The fourth proportional to 11,575.50, 17,386.56 and 6,904.64 is: 10,370.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.50 : 17,386.56 = 6,904.64 : x
  2. Step 2: Convert to fraction form
    11,575.50/17,386.56 = 6,904.64/x
  3. Step 3: Cross multiply
    11,575.50x = 17,386.56 × 6,904.64
  4. Step 4: Simplify right side
    11,575.50x = 120,047,850.71
  5. Step 5: Solve for x
    x = 120,047,850.71/11,575.50
  6. Step 6: Final answer
    x = 10,370.86

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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.