Home / 10,335.37-14,257.79-6,140.65

Finding the Fourth Proportional to 10,335.37, 14,257.79 and 6,140.65

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Solution

The fourth proportional to 10,335.37, 14,257.79 and 6,140.65 is: 8,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.37 : 14,257.79 = 6,140.65 : x
  2. Step 2: Convert to fraction form
    10,335.37/14,257.79 = 6,140.65/x
  3. Step 3: Cross multiply
    10,335.37x = 14,257.79 × 6,140.65
  4. Step 4: Simplify right side
    10,335.37x = 87,552,042.23
  5. Step 5: Solve for x
    x = 87,552,042.23/10,335.37
  6. Step 6: Final answer
    x = 8,471.11

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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.