Home / 7,626.39-10,520.35-6,292.32

Finding the Fourth Proportional to 7,626.39, 10,520.35 and 6,292.32

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Solution

The fourth proportional to 7,626.39, 10,520.35 and 6,292.32 is: 8,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.39 : 10,520.35 = 6,292.32 : x
  2. Step 2: Convert to fraction form
    7,626.39/10,520.35 = 6,292.32/x
  3. Step 3: Cross multiply
    7,626.39x = 10,520.35 × 6,292.32
  4. Step 4: Simplify right side
    7,626.39x = 66,197,408.71
  5. Step 5: Solve for x
    x = 66,197,408.71/7,626.39
  6. Step 6: Final answer
    x = 8,680.05

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Half scale
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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.