Home / 10,087.72-13,927.56-6,504.28

Finding the Fourth Proportional to 10,087.72, 13,927.56 and 6,504.28

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Solution

The fourth proportional to 10,087.72, 13,927.56 and 6,504.28 is: 8,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.72 : 13,927.56 = 6,504.28 : x
  2. Step 2: Convert to fraction form
    10,087.72/13,927.56 = 6,504.28/x
  3. Step 3: Cross multiply
    10,087.72x = 13,927.56 × 6,504.28
  4. Step 4: Simplify right side
    10,087.72x = 90,588,749.96
  5. Step 5: Solve for x
    x = 90,588,749.96/10,087.72
  6. Step 6: Final answer
    x = 8,980.10

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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.