Home / 12,070.13-16,657.46-6,765.28

Finding the Fourth Proportional to 12,070.13, 16,657.46 and 6,765.28

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Solution

The fourth proportional to 12,070.13, 16,657.46 and 6,765.28 is: 9,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.13 : 16,657.46 = 6,765.28 : x
  2. Step 2: Convert to fraction form
    12,070.13/16,657.46 = 6,765.28/x
  3. Step 3: Cross multiply
    12,070.13x = 16,657.46 × 6,765.28
  4. Step 4: Simplify right side
    12,070.13x = 112,692,347.16
  5. Step 5: Solve for x
    x = 112,692,347.16/12,070.13
  6. Step 6: Final answer
    x = 9,336.47

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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.