Home / 7,972.07-11,945.15-4,688.15

Finding the Fourth Proportional to 7,972.07, 11,945.15 and 4,688.15

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Solution

The fourth proportional to 7,972.07, 11,945.15 and 4,688.15 is: 7,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.07 : 11,945.15 = 4,688.15 : x
  2. Step 2: Convert to fraction form
    7,972.07/11,945.15 = 4,688.15/x
  3. Step 3: Cross multiply
    7,972.07x = 11,945.15 × 4,688.15
  4. Step 4: Simplify right side
    7,972.07x = 56,000,661.39
  5. Step 5: Solve for x
    x = 56,000,661.39/7,972.07
  6. Step 6: Final answer
    x = 7,024.61

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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.