Home / 7,335.90-10,125-4,818.42

Finding the Fourth Proportional to 7,335.90, 10,125 and 4,818.42

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Solution

The fourth proportional to 7,335.90, 10,125 and 4,818.42 is: 6,650.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.90 : 10,125 = 4,818.42 : x
  2. Step 2: Convert to fraction form
    7,335.90/10,125 = 4,818.42/x
  3. Step 3: Cross multiply
    7,335.90x = 10,125 × 4,818.42
  4. Step 4: Simplify right side
    7,335.90x = 48,786,502.50
  5. Step 5: Solve for x
    x = 48,786,502.50/7,335.90
  6. Step 6: Final answer
    x = 6,650.38

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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.