Home / 12,031.48-16,603.96-6,726.30

Finding the Fourth Proportional to 12,031.48, 16,603.96 and 6,726.30

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Solution

The fourth proportional to 12,031.48, 16,603.96 and 6,726.30 is: 9,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.48 : 16,603.96 = 6,726.30 : x
  2. Step 2: Convert to fraction form
    12,031.48/16,603.96 = 6,726.30/x
  3. Step 3: Cross multiply
    12,031.48x = 16,603.96 × 6,726.30
  4. Step 4: Simplify right side
    12,031.48x = 111,683,216.15
  5. Step 5: Solve for x
    x = 111,683,216.15/12,031.48
  6. Step 6: Final answer
    x = 9,282.58

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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.