Home / 12,946.30-17,852.61-9,168.46

Finding the Fourth Proportional to 12,946.30, 17,852.61 and 9,168.46

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Solution

The fourth proportional to 12,946.30, 17,852.61 and 9,168.46 is: 12,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.30 : 17,852.61 = 9,168.46 : x
  2. Step 2: Convert to fraction form
    12,946.30/17,852.61 = 9,168.46/x
  3. Step 3: Cross multiply
    12,946.30x = 17,852.61 × 9,168.46
  4. Step 4: Simplify right side
    12,946.30x = 163,680,940.68
  5. Step 5: Solve for x
    x = 163,680,940.68/12,946.30
  6. Step 6: Final answer
    x = 12,643.07

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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.