Home / 6,488.10-8,943.21-6,196.50

Finding the Fourth Proportional to 6,488.10, 8,943.21 and 6,196.50

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Solution

The fourth proportional to 6,488.10, 8,943.21 and 6,196.50 is: 8,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,488.10 : 8,943.21 = 6,196.50 : x
  2. Step 2: Convert to fraction form
    6,488.10/8,943.21 = 6,196.50/x
  3. Step 3: Cross multiply
    6,488.10x = 8,943.21 × 6,196.50
  4. Step 4: Simplify right side
    6,488.10x = 55,416,600.77
  5. Step 5: Solve for x
    x = 55,416,600.77/6,488.10
  6. Step 6: Final answer
    x = 8,541.27

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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.