Home / 11,903.29-16,428.48-9,066.13

Finding the Fourth Proportional to 11,903.29, 16,428.48 and 9,066.13

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Solution

The fourth proportional to 11,903.29, 16,428.48 and 9,066.13 is: 12,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.29 : 16,428.48 = 9,066.13 : x
  2. Step 2: Convert to fraction form
    11,903.29/16,428.48 = 9,066.13/x
  3. Step 3: Cross multiply
    11,903.29x = 16,428.48 × 9,066.13
  4. Step 4: Simplify right side
    11,903.29x = 148,942,653.24
  5. Step 5: Solve for x
    x = 148,942,653.24/11,903.29
  6. Step 6: Final answer
    x = 12,512.74

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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.