Home / 7,972.34-11,001.74-4,435.50

Finding the Fourth Proportional to 7,972.34, 11,001.74 and 4,435.50

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Solution

The fourth proportional to 7,972.34, 11,001.74 and 4,435.50 is: 6,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.34 : 11,001.74 = 4,435.50 : x
  2. Step 2: Convert to fraction form
    7,972.34/11,001.74 = 4,435.50/x
  3. Step 3: Cross multiply
    7,972.34x = 11,001.74 × 4,435.50
  4. Step 4: Simplify right side
    7,972.34x = 48,798,217.77
  5. Step 5: Solve for x
    x = 48,798,217.77/7,972.34
  6. Step 6: Final answer
    x = 6,120.94

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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.