Home / 6,915.04-9,542.61-3,771.23

Finding the Fourth Proportional to 6,915.04, 9,542.61 and 3,771.23

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Solution

The fourth proportional to 6,915.04, 9,542.61 and 3,771.23 is: 5,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.04 : 9,542.61 = 3,771.23 : x
  2. Step 2: Convert to fraction form
    6,915.04/9,542.61 = 3,771.23/x
  3. Step 3: Cross multiply
    6,915.04x = 9,542.61 × 3,771.23
  4. Step 4: Simplify right side
    6,915.04x = 35,987,329.40
  5. Step 5: Solve for x
    x = 35,987,329.40/6,915.04
  6. Step 6: Final answer
    x = 5,204.21

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Half scale
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Double scale
Find fourth proportional to 6,916.04, 9,543.99 and 3,772.23
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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.