Home / 10,647.01-15,963.54-5,100.16

Finding the Fourth Proportional to 10,647.01, 15,963.54 and 5,100.16

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Solution

The fourth proportional to 10,647.01, 15,963.54 and 5,100.16 is: 7,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.01 : 15,963.54 = 5,100.16 : x
  2. Step 2: Convert to fraction form
    10,647.01/15,963.54 = 5,100.16/x
  3. Step 3: Cross multiply
    10,647.01x = 15,963.54 × 5,100.16
  4. Step 4: Simplify right side
    10,647.01x = 81,416,608.17
  5. Step 5: Solve for x
    x = 81,416,608.17/10,647.01
  6. Step 6: Final answer
    x = 7,646.90

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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.