Home / 10,129.08-15,166.37-6,610.35

Finding the Fourth Proportional to 10,129.08, 15,166.37 and 6,610.35

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Solution

The fourth proportional to 10,129.08, 15,166.37 and 6,610.35 is: 9,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.08 : 15,166.37 = 6,610.35 : x
  2. Step 2: Convert to fraction form
    10,129.08/15,166.37 = 6,610.35/x
  3. Step 3: Cross multiply
    10,129.08x = 15,166.37 × 6,610.35
  4. Step 4: Simplify right side
    10,129.08x = 100,254,980.88
  5. Step 5: Solve for x
    x = 100,254,980.88/10,129.08
  6. Step 6: Final answer
    x = 9,897.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.