Home / 8,310.40-11,468.30-4,533.50

Finding the Fourth Proportional to 8,310.40, 11,468.30 and 4,533.50

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Solution

The fourth proportional to 8,310.40, 11,468.30 and 4,533.50 is: 6,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.40 : 11,468.30 = 4,533.50 : x
  2. Step 2: Convert to fraction form
    8,310.40/11,468.30 = 4,533.50/x
  3. Step 3: Cross multiply
    8,310.40x = 11,468.30 × 4,533.50
  4. Step 4: Simplify right side
    8,310.40x = 51,991,538.05
  5. Step 5: Solve for x
    x = 51,991,538.05/8,310.40
  6. Step 6: Final answer
    x = 6,256.20

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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.