Home / 8,070.42-11,136.87-4,533.78

Finding the Fourth Proportional to 8,070.42, 11,136.87 and 4,533.78

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Solution

The fourth proportional to 8,070.42, 11,136.87 and 4,533.78 is: 6,256.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.42 : 11,136.87 = 4,533.78 : x
  2. Step 2: Convert to fraction form
    8,070.42/11,136.87 = 4,533.78/x
  3. Step 3: Cross multiply
    8,070.42x = 11,136.87 × 4,533.78
  4. Step 4: Simplify right side
    8,070.42x = 50,492,118.47
  5. Step 5: Solve for x
    x = 50,492,118.47/8,070.42
  6. Step 6: Final answer
    x = 6,256.44

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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.