Home / 10,130.55-13,976.24-6,347.11

Finding the Fourth Proportional to 10,130.55, 13,976.24 and 6,347.11

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Solution

The fourth proportional to 10,130.55, 13,976.24 and 6,347.11 is: 8,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.55 : 13,976.24 = 6,347.11 : x
  2. Step 2: Convert to fraction form
    10,130.55/13,976.24 = 6,347.11/x
  3. Step 3: Cross multiply
    10,130.55x = 13,976.24 × 6,347.11
  4. Step 4: Simplify right side
    10,130.55x = 88,708,732.67
  5. Step 5: Solve for x
    x = 88,708,732.67/10,130.55
  6. Step 6: Final answer
    x = 8,756.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.