Home / 10,851.90-14,975.55-6,136.20

Finding the Fourth Proportional to 10,851.90, 14,975.55 and 6,136.20

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Solution

The fourth proportional to 10,851.90, 14,975.55 and 6,136.20 is: 8,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.90 : 14,975.55 = 6,136.20 : x
  2. Step 2: Convert to fraction form
    10,851.90/14,975.55 = 6,136.20/x
  3. Step 3: Cross multiply
    10,851.90x = 14,975.55 × 6,136.20
  4. Step 4: Simplify right side
    10,851.90x = 91,892,969.91
  5. Step 5: Solve for x
    x = 91,892,969.91/10,851.90
  6. Step 6: Final answer
    x = 8,467.92

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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.