Home / 10,840.91-14,960.57-6,364.71

Finding the Fourth Proportional to 10,840.91, 14,960.57 and 6,364.71

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Solution

The fourth proportional to 10,840.91, 14,960.57 and 6,364.71 is: 8,783.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.91 : 14,960.57 = 6,364.71 : x
  2. Step 2: Convert to fraction form
    10,840.91/14,960.57 = 6,364.71/x
  3. Step 3: Cross multiply
    10,840.91x = 14,960.57 × 6,364.71
  4. Step 4: Simplify right side
    10,840.91x = 95,219,657.66
  5. Step 5: Solve for x
    x = 95,219,657.66/10,840.91
  6. Step 6: Final answer
    x = 8,783.37

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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.