Home / 9,539.83-13,164.63-5,561.11

Finding the Fourth Proportional to 9,539.83, 13,164.63 and 5,561.11

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Solution

The fourth proportional to 9,539.83, 13,164.63 and 5,561.11 is: 7,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.83 : 13,164.63 = 5,561.11 : x
  2. Step 2: Convert to fraction form
    9,539.83/13,164.63 = 5,561.11/x
  3. Step 3: Cross multiply
    9,539.83x = 13,164.63 × 5,561.11
  4. Step 4: Simplify right side
    9,539.83x = 73,209,955.54
  5. Step 5: Solve for x
    x = 73,209,955.54/9,539.83
  6. Step 6: Final answer
    x = 7,674.14

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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.