Home / 7,975.15-11,967.26-7,547.60

Finding the Fourth Proportional to 7,975.15, 11,967.26 and 7,547.60

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Solution

The fourth proportional to 7,975.15, 11,967.26 and 7,547.60 is: 11,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.15 : 11,967.26 = 7,547.60 : x
  2. Step 2: Convert to fraction form
    7,975.15/11,967.26 = 7,547.60/x
  3. Step 3: Cross multiply
    7,975.15x = 11,967.26 × 7,547.60
  4. Step 4: Simplify right side
    7,975.15x = 90,324,083.76
  5. Step 5: Solve for x
    x = 90,324,083.76/7,975.15
  6. Step 6: Final answer
    x = 11,325.69

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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.