Home / 11,973.10-16,521.76-6,937.51

Finding the Fourth Proportional to 11,973.10, 16,521.76 and 6,937.51

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Solution

The fourth proportional to 11,973.10, 16,521.76 and 6,937.51 is: 9,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.10 : 16,521.76 = 6,937.51 : x
  2. Step 2: Convert to fraction form
    11,973.10/16,521.76 = 6,937.51/x
  3. Step 3: Cross multiply
    11,973.10x = 16,521.76 × 6,937.51
  4. Step 4: Simplify right side
    11,973.10x = 114,619,857.87
  5. Step 5: Solve for x
    x = 114,619,857.87/11,973.10
  6. Step 6: Final answer
    x = 9,573.11

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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.