Home / 9,976.04-13,764.44-6,340.76

Finding the Fourth Proportional to 9,976.04, 13,764.44 and 6,340.76

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Solution

The fourth proportional to 9,976.04, 13,764.44 and 6,340.76 is: 8,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.04 : 13,764.44 = 6,340.76 : x
  2. Step 2: Convert to fraction form
    9,976.04/13,764.44 = 6,340.76/x
  3. Step 3: Cross multiply
    9,976.04x = 13,764.44 × 6,340.76
  4. Step 4: Simplify right side
    9,976.04x = 87,276,941.75
  5. Step 5: Solve for x
    x = 87,276,941.75/9,976.04
  6. Step 6: Final answer
    x = 8,748.66

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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.