Home / 10,126.32-15,172.80-6,222.48

Finding the Fourth Proportional to 10,126.32, 15,172.80 and 6,222.48

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Solution

The fourth proportional to 10,126.32, 15,172.80 and 6,222.48 is: 9,323.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.32 : 15,172.80 = 6,222.48 : x
  2. Step 2: Convert to fraction form
    10,126.32/15,172.80 = 6,222.48/x
  3. Step 3: Cross multiply
    10,126.32x = 15,172.80 × 6,222.48
  4. Step 4: Simplify right side
    10,126.32x = 94,412,444.54
  5. Step 5: Solve for x
    x = 94,412,444.54/10,126.32
  6. Step 6: Final answer
    x = 9,323.47

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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.