Home / 6,263.55-8,645.58-3,612.69

Finding the Fourth Proportional to 6,263.55, 8,645.58 and 3,612.69

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Solution

The fourth proportional to 6,263.55, 8,645.58 and 3,612.69 is: 4,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.55 : 8,645.58 = 3,612.69 : x
  2. Step 2: Convert to fraction form
    6,263.55/8,645.58 = 3,612.69/x
  3. Step 3: Cross multiply
    6,263.55x = 8,645.58 × 3,612.69
  4. Step 4: Simplify right side
    6,263.55x = 31,233,800.41
  5. Step 5: Solve for x
    x = 31,233,800.41/6,263.55
  6. Step 6: Final answer
    x = 4,986.60

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Half scale
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Double scale
Find fourth proportional to 6,264.55, 8,646.96 and 3,613.69
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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.