Home / 6,627.12-9,135.79-4,631.49

Finding the Fourth Proportional to 6,627.12, 9,135.79 and 4,631.49

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Solution

The fourth proportional to 6,627.12, 9,135.79 and 4,631.49 is: 6,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.12 : 9,135.79 = 4,631.49 : x
  2. Step 2: Convert to fraction form
    6,627.12/9,135.79 = 4,631.49/x
  3. Step 3: Cross multiply
    6,627.12x = 9,135.79 × 4,631.49
  4. Step 4: Simplify right side
    6,627.12x = 42,312,320.03
  5. Step 5: Solve for x
    x = 42,312,320.03/6,627.12
  6. Step 6: Final answer
    x = 6,384.72

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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.