Home / 10,611.19-14,643.75-6,136.35

Finding the Fourth Proportional to 10,611.19, 14,643.75 and 6,136.35

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Solution

The fourth proportional to 10,611.19, 14,643.75 and 6,136.35 is: 8,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,611.19 : 14,643.75 = 6,136.35 : x
  2. Step 2: Convert to fraction form
    10,611.19/14,643.75 = 6,136.35/x
  3. Step 3: Cross multiply
    10,611.19x = 14,643.75 × 6,136.35
  4. Step 4: Simplify right side
    10,611.19x = 89,859,175.31
  5. Step 5: Solve for x
    x = 89,859,175.31/10,611.19
  6. Step 6: Final answer
    x = 8,468.34

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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.