Home / 10,905.08-15,051.42-6,925.43

Finding the Fourth Proportional to 10,905.08, 15,051.42 and 6,925.43

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Solution

The fourth proportional to 10,905.08, 15,051.42 and 6,925.43 is: 9,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.08 : 15,051.42 = 6,925.43 : x
  2. Step 2: Convert to fraction form
    10,905.08/15,051.42 = 6,925.43/x
  3. Step 3: Cross multiply
    10,905.08x = 15,051.42 × 6,925.43
  4. Step 4: Simplify right side
    10,905.08x = 104,237,593.24
  5. Step 5: Solve for x
    x = 104,237,593.24/10,905.08
  6. Step 6: Final answer
    x = 9,558.63

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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.