Home / 8,070.20-11,136.40-4,533.48

Finding the Fourth Proportional to 8,070.20, 11,136.40 and 4,533.48

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Solution

The fourth proportional to 8,070.20, 11,136.40 and 4,533.48 is: 6,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.20 : 11,136.40 = 4,533.48 : x
  2. Step 2: Convert to fraction form
    8,070.20/11,136.40 = 4,533.48/x
  3. Step 3: Cross multiply
    8,070.20x = 11,136.40 × 4,533.48
  4. Step 4: Simplify right side
    8,070.20x = 50,486,646.67
  5. Step 5: Solve for x
    x = 50,486,646.67/8,070.20
  6. Step 6: Final answer
    x = 6,255.94

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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.