Home / 12,335.81-17,023.70-7,031.12

Finding the Fourth Proportional to 12,335.81, 17,023.70 and 7,031.12

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Solution

The fourth proportional to 12,335.81, 17,023.70 and 7,031.12 is: 9,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.81 : 17,023.70 = 7,031.12 : x
  2. Step 2: Convert to fraction form
    12,335.81/17,023.70 = 7,031.12/x
  3. Step 3: Cross multiply
    12,335.81x = 17,023.70 × 7,031.12
  4. Step 4: Simplify right side
    12,335.81x = 119,695,610.00
  5. Step 5: Solve for x
    x = 119,695,610.00/12,335.81
  6. Step 6: Final answer
    x = 9,703.10

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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.