Home / 11,645.12-16,070.10-6,339.98

Finding the Fourth Proportional to 11,645.12, 16,070.10 and 6,339.98

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Solution

The fourth proportional to 11,645.12, 16,070.10 and 6,339.98 is: 8,749.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.12 : 16,070.10 = 6,339.98 : x
  2. Step 2: Convert to fraction form
    11,645.12/16,070.10 = 6,339.98/x
  3. Step 3: Cross multiply
    11,645.12x = 16,070.10 × 6,339.98
  4. Step 4: Simplify right side
    11,645.12x = 101,884,112.60
  5. Step 5: Solve for x
    x = 101,884,112.60/11,645.12
  6. Step 6: Final answer
    x = 8,749.08

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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.