Home / 9,968.16-14,932.32-9,151.68

Finding the Fourth Proportional to 9,968.16, 14,932.32 and 9,151.68

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Solution

The fourth proportional to 9,968.16, 14,932.32 and 9,151.68 is: 13,709.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.16 : 14,932.32 = 9,151.68 : x
  2. Step 2: Convert to fraction form
    9,968.16/14,932.32 = 9,151.68/x
  3. Step 3: Cross multiply
    9,968.16x = 14,932.32 × 9,151.68
  4. Step 4: Simplify right side
    9,968.16x = 136,655,814.30
  5. Step 5: Solve for x
    x = 136,655,814.30/9,968.16
  6. Step 6: Final answer
    x = 13,709.23

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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.