Home / 8,070.90-11,136.85-4,714.53

Finding the Fourth Proportional to 8,070.90, 11,136.85 and 4,714.53

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Solution

The fourth proportional to 8,070.90, 11,136.85 and 4,714.53 is: 6,505.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.90 : 11,136.85 = 4,714.53 : x
  2. Step 2: Convert to fraction form
    8,070.90/11,136.85 = 4,714.53/x
  3. Step 3: Cross multiply
    8,070.90x = 11,136.85 × 4,714.53
  4. Step 4: Simplify right side
    8,070.90x = 52,505,013.43
  5. Step 5: Solve for x
    x = 52,505,013.43/8,070.90
  6. Step 6: Final answer
    x = 6,505.47

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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.