Home / 7,136.08-9,837.60-5,955.28

Finding the Fourth Proportional to 7,136.08, 9,837.60 and 5,955.28

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Solution

The fourth proportional to 7,136.08, 9,837.60 and 5,955.28 is: 8,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.08 : 9,837.60 = 5,955.28 : x
  2. Step 2: Convert to fraction form
    7,136.08/9,837.60 = 5,955.28/x
  3. Step 3: Cross multiply
    7,136.08x = 9,837.60 × 5,955.28
  4. Step 4: Simplify right side
    7,136.08x = 58,585,662.53
  5. Step 5: Solve for x
    x = 58,585,662.53/7,136.08
  6. Step 6: Final answer
    x = 8,209.78

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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.