Home / 13,480.48-18,602.94-7,512.04

Finding the Fourth Proportional to 13,480.48, 18,602.94 and 7,512.04

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Solution

The fourth proportional to 13,480.48, 18,602.94 and 7,512.04 is: 10,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480.48 : 18,602.94 = 7,512.04 : x
  2. Step 2: Convert to fraction form
    13,480.48/18,602.94 = 7,512.04/x
  3. Step 3: Cross multiply
    13,480.48x = 18,602.94 × 7,512.04
  4. Step 4: Simplify right side
    13,480.48x = 139,746,029.40
  5. Step 5: Solve for x
    x = 139,746,029.40/13,480.48
  6. Step 6: Final answer
    x = 10,366.55

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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.