Home / 7,018.63-9,682.21-4,898.60

Finding the Fourth Proportional to 7,018.63, 9,682.21 and 4,898.60

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Solution

The fourth proportional to 7,018.63, 9,682.21 and 4,898.60 is: 6,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.63 : 9,682.21 = 4,898.60 : x
  2. Step 2: Convert to fraction form
    7,018.63/9,682.21 = 4,898.60/x
  3. Step 3: Cross multiply
    7,018.63x = 9,682.21 × 4,898.60
  4. Step 4: Simplify right side
    7,018.63x = 47,429,273.91
  5. Step 5: Solve for x
    x = 47,429,273.91/7,018.63
  6. Step 6: Final answer
    x = 6,757.63

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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.