Home / 12,070.83-16,657.50-6,619.83

Finding the Fourth Proportional to 12,070.83, 16,657.50 and 6,619.83

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Solution

The fourth proportional to 12,070.83, 16,657.50 and 6,619.83 is: 9,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.83 : 16,657.50 = 6,619.83 : x
  2. Step 2: Convert to fraction form
    12,070.83/16,657.50 = 6,619.83/x
  3. Step 3: Cross multiply
    12,070.83x = 16,657.50 × 6,619.83
  4. Step 4: Simplify right side
    12,070.83x = 110,269,818.23
  5. Step 5: Solve for x
    x = 110,269,818.23/12,070.83
  6. Step 6: Final answer
    x = 9,135.23

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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.