Home / 9,102.23-12,560.10-5,123.27

Finding the Fourth Proportional to 9,102.23, 12,560.10 and 5,123.27

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Solution

The fourth proportional to 9,102.23, 12,560.10 and 5,123.27 is: 7,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.23 : 12,560.10 = 5,123.27 : x
  2. Step 2: Convert to fraction form
    9,102.23/12,560.10 = 5,123.27/x
  3. Step 3: Cross multiply
    9,102.23x = 12,560.10 × 5,123.27
  4. Step 4: Simplify right side
    9,102.23x = 64,348,783.53
  5. Step 5: Solve for x
    x = 64,348,783.53/9,102.23
  6. Step 6: Final answer
    x = 7,069.56

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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.