Home / 7,972.45-11,001.49-4,569.50

Finding the Fourth Proportional to 7,972.45, 11,001.49 and 4,569.50

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Solution

The fourth proportional to 7,972.45, 11,001.49 and 4,569.50 is: 6,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.45 : 11,001.49 = 4,569.50 : x
  2. Step 2: Convert to fraction form
    7,972.45/11,001.49 = 4,569.50/x
  3. Step 3: Cross multiply
    7,972.45x = 11,001.49 × 4,569.50
  4. Step 4: Simplify right side
    7,972.45x = 50,271,324.63
  5. Step 5: Solve for x
    x = 50,271,324.63/7,972.45
  6. Step 6: Final answer
    x = 6,305.63

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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.