Home / 10,330.76-15,475.34-4,776.45

Finding the Fourth Proportional to 10,330.76, 15,475.34 and 4,776.45

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Solution

The fourth proportional to 10,330.76, 15,475.34 and 4,776.45 is: 7,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.76 : 15,475.34 = 4,776.45 : x
  2. Step 2: Convert to fraction form
    10,330.76/15,475.34 = 4,776.45/x
  3. Step 3: Cross multiply
    10,330.76x = 15,475.34 × 4,776.45
  4. Step 4: Simplify right side
    10,330.76x = 73,917,163.86
  5. Step 5: Solve for x
    x = 73,917,163.86/10,330.76
  6. Step 6: Final answer
    x = 7,155.06

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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.