Home / 7,954.21-10,976.65-4,417.35

Finding the Fourth Proportional to 7,954.21, 10,976.65 and 4,417.35

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Solution

The fourth proportional to 7,954.21, 10,976.65 and 4,417.35 is: 6,095.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.21 : 10,976.65 = 4,417.35 : x
  2. Step 2: Convert to fraction form
    7,954.21/10,976.65 = 4,417.35/x
  3. Step 3: Cross multiply
    7,954.21x = 10,976.65 × 4,417.35
  4. Step 4: Simplify right side
    7,954.21x = 48,487,704.88
  5. Step 5: Solve for x
    x = 48,487,704.88/7,954.21
  6. Step 6: Final answer
    x = 6,095.85

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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.