Home / 9,766.31-13,477.63-5,459.21

Finding the Fourth Proportional to 9,766.31, 13,477.63 and 5,459.21

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Solution

The fourth proportional to 9,766.31, 13,477.63 and 5,459.21 is: 7,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.31 : 13,477.63 = 5,459.21 : x
  2. Step 2: Convert to fraction form
    9,766.31/13,477.63 = 5,459.21/x
  3. Step 3: Cross multiply
    9,766.31x = 13,477.63 × 5,459.21
  4. Step 4: Simplify right side
    9,766.31x = 73,577,212.47
  5. Step 5: Solve for x
    x = 73,577,212.47/9,766.31
  6. Step 6: Final answer
    x = 7,533.78

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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.