Home / 11,945.07-16,425.18-10,616.40

Finding the Fourth Proportional to 11,945.07, 16,425.18 and 10,616.40

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Solution

The fourth proportional to 11,945.07, 16,425.18 and 10,616.40 is: 14,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945.07 : 16,425.18 = 10,616.40 : x
  2. Step 2: Convert to fraction form
    11,945.07/16,425.18 = 10,616.40/x
  3. Step 3: Cross multiply
    11,945.07x = 16,425.18 × 10,616.40
  4. Step 4: Simplify right side
    11,945.07x = 174,376,280.95
  5. Step 5: Solve for x
    x = 174,376,280.95/11,945.07
  6. Step 6: Final answer
    x = 14,598.18

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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.