Home / 11,136.48-16,715.96-9,878.26

Finding the Fourth Proportional to 11,136.48, 16,715.96 and 9,878.26

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Solution

The fourth proportional to 11,136.48, 16,715.96 and 9,878.26 is: 14,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.48 : 16,715.96 = 9,878.26 : x
  2. Step 2: Convert to fraction form
    11,136.48/16,715.96 = 9,878.26/x
  3. Step 3: Cross multiply
    11,136.48x = 16,715.96 × 9,878.26
  4. Step 4: Simplify right side
    11,136.48x = 165,124,599.03
  5. Step 5: Solve for x
    x = 165,124,599.03/11,136.48
  6. Step 6: Final answer
    x = 14,827.36

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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.