Home / 9,937.79-14,910.75-5,256.53

Finding the Fourth Proportional to 9,937.79, 14,910.75 and 5,256.53

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Solution

The fourth proportional to 9,937.79, 14,910.75 and 5,256.53 is: 7,886.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.79 : 14,910.75 = 5,256.53 : x
  2. Step 2: Convert to fraction form
    9,937.79/14,910.75 = 5,256.53/x
  3. Step 3: Cross multiply
    9,937.79x = 14,910.75 × 5,256.53
  4. Step 4: Simplify right side
    9,937.79x = 78,378,804.70
  5. Step 5: Solve for x
    x = 78,378,804.70/9,937.79
  6. Step 6: Final answer
    x = 7,886.95

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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.