Home / 7,176.16-9,900.33-5,292.19

Finding the Fourth Proportional to 7,176.16, 9,900.33 and 5,292.19

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Solution

The fourth proportional to 7,176.16, 9,900.33 and 5,292.19 is: 7,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.16 : 9,900.33 = 5,292.19 : x
  2. Step 2: Convert to fraction form
    7,176.16/9,900.33 = 5,292.19/x
  3. Step 3: Cross multiply
    7,176.16x = 9,900.33 × 5,292.19
  4. Step 4: Simplify right side
    7,176.16x = 52,394,427.42
  5. Step 5: Solve for x
    x = 52,394,427.42/7,176.16
  6. Step 6: Final answer
    x = 7,301.18

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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.