Home / 35,938.10-53,907.16-10,976.80

Finding the Fourth Proportional to 35,938.10, 53,907.16 and 10,976.80

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Solution

The fourth proportional to 35,938.10, 53,907.16 and 10,976.80 is: 16,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.10 : 53,907.16 = 10,976.80 : x
  2. Step 2: Convert to fraction form
    35,938.10/53,907.16 = 10,976.80/x
  3. Step 3: Cross multiply
    35,938.10x = 53,907.16 × 10,976.80
  4. Step 4: Simplify right side
    35,938.10x = 591,728,113.89
  5. Step 5: Solve for x
    x = 591,728,113.89/35,938.10
  6. Step 6: Final answer
    x = 16,465.20

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Double scale
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Similar ratio
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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.