Home / 9,974.48-13,761.44-6,440.08

Finding the Fourth Proportional to 9,974.48, 13,761.44 and 6,440.08

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Solution

The fourth proportional to 9,974.48, 13,761.44 and 6,440.08 is: 8,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,974.48 : 13,761.44 = 6,440.08 : x
  2. Step 2: Convert to fraction form
    9,974.48/13,761.44 = 6,440.08/x
  3. Step 3: Cross multiply
    9,974.48x = 13,761.44 × 6,440.08
  4. Step 4: Simplify right side
    9,974.48x = 88,624,774.52
  5. Step 5: Solve for x
    x = 88,624,774.52/9,974.48
  6. Step 6: Final answer
    x = 8,885.15

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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.