Home / 10,300.74-15,471.78-6,148.86

Finding the Fourth Proportional to 10,300.74, 15,471.78 and 6,148.86

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Solution

The fourth proportional to 10,300.74, 15,471.78 and 6,148.86 is: 9,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.74 : 15,471.78 = 6,148.86 : x
  2. Step 2: Convert to fraction form
    10,300.74/15,471.78 = 6,148.86/x
  3. Step 3: Cross multiply
    10,300.74x = 15,471.78 × 6,148.86
  4. Step 4: Simplify right side
    10,300.74x = 95,133,809.17
  5. Step 5: Solve for x
    x = 95,133,809.17/10,300.74
  6. Step 6: Final answer
    x = 9,235.63

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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.