Home / 11,276.63-15,561.36-6,241.06

Finding the Fourth Proportional to 11,276.63, 15,561.36 and 6,241.06

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Solution

The fourth proportional to 11,276.63, 15,561.36 and 6,241.06 is: 8,612.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.63 : 15,561.36 = 6,241.06 : x
  2. Step 2: Convert to fraction form
    11,276.63/15,561.36 = 6,241.06/x
  3. Step 3: Cross multiply
    11,276.63x = 15,561.36 × 6,241.06
  4. Step 4: Simplify right side
    11,276.63x = 97,119,400.89
  5. Step 5: Solve for x
    x = 97,119,400.89/11,276.63
  6. Step 6: Final answer
    x = 8,612.45

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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.