Home / 11,113.19-15,336.18-6,077.45

Finding the Fourth Proportional to 11,113.19, 15,336.18 and 6,077.45

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Solution

The fourth proportional to 11,113.19, 15,336.18 and 6,077.45 is: 8,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,113.19 : 15,336.18 = 6,077.45 : x
  2. Step 2: Convert to fraction form
    11,113.19/15,336.18 = 6,077.45/x
  3. Step 3: Cross multiply
    11,113.19x = 15,336.18 × 6,077.45
  4. Step 4: Simplify right side
    11,113.19x = 93,204,790.46
  5. Step 5: Solve for x
    x = 93,204,790.46/11,113.19
  6. Step 6: Final answer
    x = 8,386.87

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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.