Home / 11,136.26-16,681.71-5,275.10

Finding the Fourth Proportional to 11,136.26, 16,681.71 and 5,275.10

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Solution

The fourth proportional to 11,136.26, 16,681.71 and 5,275.10 is: 7,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.26 : 16,681.71 = 5,275.10 : x
  2. Step 2: Convert to fraction form
    11,136.26/16,681.71 = 5,275.10/x
  3. Step 3: Cross multiply
    11,136.26x = 16,681.71 × 5,275.10
  4. Step 4: Simplify right side
    11,136.26x = 87,997,688.42
  5. Step 5: Solve for x
    x = 87,997,688.42/11,136.26
  6. Step 6: Final answer
    x = 7,901.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.