Home / 9,129.63-12,595.52-6,745.35

Finding the Fourth Proportional to 9,129.63, 12,595.52 and 6,745.35

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Solution

The fourth proportional to 9,129.63, 12,595.52 and 6,745.35 is: 9,306.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.63 : 12,595.52 = 6,745.35 : x
  2. Step 2: Convert to fraction form
    9,129.63/12,595.52 = 6,745.35/x
  3. Step 3: Cross multiply
    9,129.63x = 12,595.52 × 6,745.35
  4. Step 4: Simplify right side
    9,129.63x = 84,961,157.11
  5. Step 5: Solve for x
    x = 84,961,157.11/9,129.63
  6. Step 6: Final answer
    x = 9,306.09

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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.