Home / 7,818.69-10,787.52-4,674.27

Finding the Fourth Proportional to 7,818.69, 10,787.52 and 4,674.27

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Solution

The fourth proportional to 7,818.69, 10,787.52 and 4,674.27 is: 6,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.69 : 10,787.52 = 4,674.27 : x
  2. Step 2: Convert to fraction form
    7,818.69/10,787.52 = 4,674.27/x
  3. Step 3: Cross multiply
    7,818.69x = 10,787.52 × 4,674.27
  4. Step 4: Simplify right side
    7,818.69x = 50,423,781.11
  5. Step 5: Solve for x
    x = 50,423,781.11/7,818.69
  6. Step 6: Final answer
    x = 6,449.13

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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.