Home / 7,916.58-10,924.20-4,378.92

Finding the Fourth Proportional to 7,916.58, 10,924.20 and 4,378.92

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Solution

The fourth proportional to 7,916.58, 10,924.20 and 4,378.92 is: 6,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.58 : 10,924.20 = 4,378.92 : x
  2. Step 2: Convert to fraction form
    7,916.58/10,924.20 = 4,378.92/x
  3. Step 3: Cross multiply
    7,916.58x = 10,924.20 × 4,378.92
  4. Step 4: Simplify right side
    7,916.58x = 47,836,197.86
  5. Step 5: Solve for x
    x = 47,836,197.86/7,916.58
  6. Step 6: Final answer
    x = 6,042.53

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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.