Home / 9,655.62-13,323.64-5,406.08

Finding the Fourth Proportional to 9,655.62, 13,323.64 and 5,406.08

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Solution

The fourth proportional to 9,655.62, 13,323.64 and 5,406.08 is: 7,459.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,655.62 : 13,323.64 = 5,406.08 : x
  2. Step 2: Convert to fraction form
    9,655.62/13,323.64 = 5,406.08/x
  3. Step 3: Cross multiply
    9,655.62x = 13,323.64 × 5,406.08
  4. Step 4: Simplify right side
    9,655.62x = 72,028,663.73
  5. Step 5: Solve for x
    x = 72,028,663.73/9,655.62
  6. Step 6: Final answer
    x = 7,459.77

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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.