Home / 13,031.35-17,983.18-7,062.95

Finding the Fourth Proportional to 13,031.35, 17,983.18 and 7,062.95

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Solution

The fourth proportional to 13,031.35, 17,983.18 and 7,062.95 is: 9,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.35 : 17,983.18 = 7,062.95 : x
  2. Step 2: Convert to fraction form
    13,031.35/17,983.18 = 7,062.95/x
  3. Step 3: Cross multiply
    13,031.35x = 17,983.18 × 7,062.95
  4. Step 4: Simplify right side
    13,031.35x = 127,014,301.18
  5. Step 5: Solve for x
    x = 127,014,301.18/13,031.35
  6. Step 6: Final answer
    x = 9,746.83

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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.