Home / 10,506.76-15,760.86-3,580.36

Finding the Fourth Proportional to 10,506.76, 15,760.86 and 3,580.36

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Solution

The fourth proportional to 10,506.76, 15,760.86 and 3,580.36 is: 5,370.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,506.76 : 15,760.86 = 3,580.36 : x
  2. Step 2: Convert to fraction form
    10,506.76/15,760.86 = 3,580.36/x
  3. Step 3: Cross multiply
    10,506.76x = 15,760.86 × 3,580.36
  4. Step 4: Simplify right side
    10,506.76x = 56,429,552.71
  5. Step 5: Solve for x
    x = 56,429,552.71/10,506.76
  6. Step 6: Final answer
    x = 5,370.79

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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.