Home / 10,716.54-16,130.70-9,697.76

Finding the Fourth Proportional to 10,716.54, 16,130.70 and 9,697.76

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Solution

The fourth proportional to 10,716.54, 16,130.70 and 9,697.76 is: 14,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.54 : 16,130.70 = 9,697.76 : x
  2. Step 2: Convert to fraction form
    10,716.54/16,130.70 = 9,697.76/x
  3. Step 3: Cross multiply
    10,716.54x = 16,130.70 × 9,697.76
  4. Step 4: Simplify right side
    10,716.54x = 156,431,608.74
  5. Step 5: Solve for x
    x = 156,431,608.74/10,716.54
  6. Step 6: Final answer
    x = 14,597.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.