Home / 10,091.24-15,136.90-3,071.31

Finding the Fourth Proportional to 10,091.24, 15,136.90 and 3,071.31

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Solution

The fourth proportional to 10,091.24, 15,136.90 and 3,071.31 is: 4,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.24 : 15,136.90 = 3,071.31 : x
  2. Step 2: Convert to fraction form
    10,091.24/15,136.90 = 3,071.31/x
  3. Step 3: Cross multiply
    10,091.24x = 15,136.90 × 3,071.31
  4. Step 4: Simplify right side
    10,091.24x = 46,490,047.90
  5. Step 5: Solve for x
    x = 46,490,047.90/10,091.24
  6. Step 6: Final answer
    x = 4,606.97

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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.