Home / 9,006.48-12,428.10-5,027.40

Finding the Fourth Proportional to 9,006.48, 12,428.10 and 5,027.40

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Solution

The fourth proportional to 9,006.48, 12,428.10 and 5,027.40 is: 6,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,006.48 : 12,428.10 = 5,027.40 : x
  2. Step 2: Convert to fraction form
    9,006.48/12,428.10 = 5,027.40/x
  3. Step 3: Cross multiply
    9,006.48x = 12,428.10 × 5,027.40
  4. Step 4: Simplify right side
    9,006.48x = 62,481,029.94
  5. Step 5: Solve for x
    x = 62,481,029.94/9,006.48
  6. Step 6: Final answer
    x = 6,937.34

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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.