Home / 9,001.08-12,420.54-5,463

Finding the Fourth Proportional to 9,001.08, 12,420.54 and 5,463

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Solution

The fourth proportional to 9,001.08, 12,420.54 and 5,463 is: 7,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.08 : 12,420.54 = 5,463 : x
  2. Step 2: Convert to fraction form
    9,001.08/12,420.54 = 5,463/x
  3. Step 3: Cross multiply
    9,001.08x = 12,420.54 × 5,463
  4. Step 4: Simplify right side
    9,001.08x = 67,853,410.02
  5. Step 5: Solve for x
    x = 67,853,410.02/9,001.08
  6. Step 6: Final answer
    x = 7,538.36

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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.