Home / 9,133.10-13,699.66-3,290.18

Finding the Fourth Proportional to 9,133.10, 13,699.66 and 3,290.18

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Solution

The fourth proportional to 9,133.10, 13,699.66 and 3,290.18 is: 4,935.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.10 : 13,699.66 = 3,290.18 : x
  2. Step 2: Convert to fraction form
    9,133.10/13,699.66 = 3,290.18/x
  3. Step 3: Cross multiply
    9,133.10x = 13,699.66 × 3,290.18
  4. Step 4: Simplify right side
    9,133.10x = 45,074,347.34
  5. Step 5: Solve for x
    x = 45,074,347.34/9,133.10
  6. Step 6: Final answer
    x = 4,935.27

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1.5x scale

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.