Home / 6,931.26-9,577.36-5,136.16

Finding the Fourth Proportional to 6,931.26, 9,577.36 and 5,136.16

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Solution

The fourth proportional to 6,931.26, 9,577.36 and 5,136.16 is: 7,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.26 : 9,577.36 = 5,136.16 : x
  2. Step 2: Convert to fraction form
    6,931.26/9,577.36 = 5,136.16/x
  3. Step 3: Cross multiply
    6,931.26x = 9,577.36 × 5,136.16
  4. Step 4: Simplify right side
    6,931.26x = 49,190,853.34
  5. Step 5: Solve for x
    x = 49,190,853.34/6,931.26
  6. Step 6: Final answer
    x = 7,096.96

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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.