Home / 6,625.42-9,138.48-4,636.46

Finding the Fourth Proportional to 6,625.42, 9,138.48 and 4,636.46

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Solution

The fourth proportional to 6,625.42, 9,138.48 and 4,636.46 is: 6,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.42 : 9,138.48 = 4,636.46 : x
  2. Step 2: Convert to fraction form
    6,625.42/9,138.48 = 4,636.46/x
  3. Step 3: Cross multiply
    6,625.42x = 9,138.48 × 4,636.46
  4. Step 4: Simplify right side
    6,625.42x = 42,370,196.98
  5. Step 5: Solve for x
    x = 42,370,196.98/6,625.42
  6. Step 6: Final answer
    x = 6,395.10

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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.