Home / 12,276.68-16,948.23-9,582.12

Finding the Fourth Proportional to 12,276.68, 16,948.23 and 9,582.12

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Solution

The fourth proportional to 12,276.68, 16,948.23 and 9,582.12 is: 13,228.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.68 : 16,948.23 = 9,582.12 : x
  2. Step 2: Convert to fraction form
    12,276.68/16,948.23 = 9,582.12/x
  3. Step 3: Cross multiply
    12,276.68x = 16,948.23 × 9,582.12
  4. Step 4: Simplify right side
    12,276.68x = 162,399,973.65
  5. Step 5: Solve for x
    x = 162,399,973.65/12,276.68
  6. Step 6: Final answer
    x = 13,228.34

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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.