Home / 10,130.68-15,201.36-5,200.33

Finding the Fourth Proportional to 10,130.68, 15,201.36 and 5,200.33

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Solution

The fourth proportional to 10,130.68, 15,201.36 and 5,200.33 is: 7,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.68 : 15,201.36 = 5,200.33 : x
  2. Step 2: Convert to fraction form
    10,130.68/15,201.36 = 5,200.33/x
  3. Step 3: Cross multiply
    10,130.68x = 15,201.36 × 5,200.33
  4. Step 4: Simplify right side
    10,130.68x = 79,051,986.44
  5. Step 5: Solve for x
    x = 79,051,986.44/10,130.68
  6. Step 6: Final answer
    x = 7,803.23

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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.