Home / 9,055.13-13,582.74-2,815.01

Finding the Fourth Proportional to 9,055.13, 13,582.74 and 2,815.01

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Solution

The fourth proportional to 9,055.13, 13,582.74 and 2,815.01 is: 4,222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.13 : 13,582.74 = 2,815.01 : x
  2. Step 2: Convert to fraction form
    9,055.13/13,582.74 = 2,815.01/x
  3. Step 3: Cross multiply
    9,055.13x = 13,582.74 × 2,815.01
  4. Step 4: Simplify right side
    9,055.13x = 38,235,548.93
  5. Step 5: Solve for x
    x = 38,235,548.93/9,055.13
  6. Step 6: Final answer
    x = 4,222.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.