Home / 11,448.20-15,790.35-10,507.04

Finding the Fourth Proportional to 11,448.20, 15,790.35 and 10,507.04

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Solution

The fourth proportional to 11,448.20, 15,790.35 and 10,507.04 is: 14,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.20 : 15,790.35 = 10,507.04 : x
  2. Step 2: Convert to fraction form
    11,448.20/15,790.35 = 10,507.04/x
  3. Step 3: Cross multiply
    11,448.20x = 15,790.35 × 10,507.04
  4. Step 4: Simplify right side
    11,448.20x = 165,909,839.06
  5. Step 5: Solve for x
    x = 165,909,839.06/11,448.20
  6. Step 6: Final answer
    x = 14,492.22

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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.