Home / 12,017.44-16,582.80-6,980.68

Finding the Fourth Proportional to 12,017.44, 16,582.80 and 6,980.68

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Solution

The fourth proportional to 12,017.44, 16,582.80 and 6,980.68 is: 9,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.44 : 16,582.80 = 6,980.68 : x
  2. Step 2: Convert to fraction form
    12,017.44/16,582.80 = 6,980.68/x
  3. Step 3: Cross multiply
    12,017.44x = 16,582.80 × 6,980.68
  4. Step 4: Simplify right side
    12,017.44x = 115,759,220.30
  5. Step 5: Solve for x
    x = 115,759,220.30/12,017.44
  6. Step 6: Final answer
    x = 9,632.60

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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.