Home / 11,274.57-15,558.93-6,239.01

Finding the Fourth Proportional to 11,274.57, 15,558.93 and 6,239.01

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Solution

The fourth proportional to 11,274.57, 15,558.93 and 6,239.01 is: 8,609.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.57 : 15,558.93 = 6,239.01 : x
  2. Step 2: Convert to fraction form
    11,274.57/15,558.93 = 6,239.01/x
  3. Step 3: Cross multiply
    11,274.57x = 15,558.93 × 6,239.01
  4. Step 4: Simplify right side
    11,274.57x = 97,072,261.51
  5. Step 5: Solve for x
    x = 97,072,261.51/11,274.57
  6. Step 6: Final answer
    x = 8,609.84

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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.