Home / 11,748.15-16,210.67-7,031.25

Finding the Fourth Proportional to 11,748.15, 16,210.67 and 7,031.25

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Solution

The fourth proportional to 11,748.15, 16,210.67 and 7,031.25 is: 9,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.15 : 16,210.67 = 7,031.25 : x
  2. Step 2: Convert to fraction form
    11,748.15/16,210.67 = 7,031.25/x
  3. Step 3: Cross multiply
    11,748.15x = 16,210.67 × 7,031.25
  4. Step 4: Simplify right side
    11,748.15x = 113,981,238.28
  5. Step 5: Solve for x
    x = 113,981,238.28/11,748.15
  6. Step 6: Final answer
    x = 9,702.06

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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.