Home / 6,626.90-9,135.45-4,631.24

Finding the Fourth Proportional to 6,626.90, 9,135.45 and 4,631.24

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Solution

The fourth proportional to 6,626.90, 9,135.45 and 4,631.24 is: 6,384.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.90 : 9,135.45 = 4,631.24 : x
  2. Step 2: Convert to fraction form
    6,626.90/9,135.45 = 4,631.24/x
  3. Step 3: Cross multiply
    6,626.90x = 9,135.45 × 4,631.24
  4. Step 4: Simplify right side
    6,626.90x = 42,308,415.78
  5. Step 5: Solve for x
    x = 42,308,415.78/6,626.90
  6. Step 6: Final answer
    x = 6,384.35

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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.