Home / 7,818.35-10,788.96-4,281.48

Finding the Fourth Proportional to 7,818.35, 10,788.96 and 4,281.48

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Solution

The fourth proportional to 7,818.35, 10,788.96 and 4,281.48 is: 5,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.35 : 10,788.96 = 4,281.48 : x
  2. Step 2: Convert to fraction form
    7,818.35/10,788.96 = 4,281.48/x
  3. Step 3: Cross multiply
    7,818.35x = 10,788.96 × 4,281.48
  4. Step 4: Simplify right side
    7,818.35x = 46,192,732.52
  5. Step 5: Solve for x
    x = 46,192,732.52/7,818.35
  6. Step 6: Final answer
    x = 5,908.25

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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.