Home / 12,603.11-17,392.16-6,937.74

Finding the Fourth Proportional to 12,603.11, 17,392.16 and 6,937.74

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Solution

The fourth proportional to 12,603.11, 17,392.16 and 6,937.74 is: 9,574.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.11 : 17,392.16 = 6,937.74 : x
  2. Step 2: Convert to fraction form
    12,603.11/17,392.16 = 6,937.74/x
  3. Step 3: Cross multiply
    12,603.11x = 17,392.16 × 6,937.74
  4. Step 4: Simplify right side
    12,603.11x = 120,662,249.43
  5. Step 5: Solve for x
    x = 120,662,249.43/12,603.11
  6. Step 6: Final answer
    x = 9,574.00

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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.