Home / 9,543.05-13,169.40-5,563.40

Finding the Fourth Proportional to 9,543.05, 13,169.40 and 5,563.40

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Solution

The fourth proportional to 9,543.05, 13,169.40 and 5,563.40 is: 7,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.05 : 13,169.40 = 5,563.40 : x
  2. Step 2: Convert to fraction form
    9,543.05/13,169.40 = 5,563.40/x
  3. Step 3: Cross multiply
    9,543.05x = 13,169.40 × 5,563.40
  4. Step 4: Simplify right side
    9,543.05x = 73,266,574.11
  5. Step 5: Solve for x
    x = 73,266,574.11/9,543.05
  6. Step 6: Final answer
    x = 7,677.48

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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.