Home / 9,018.22-13,527.47-3,174.90

Finding the Fourth Proportional to 9,018.22, 13,527.47 and 3,174.90

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Solution

The fourth proportional to 9,018.22, 13,527.47 and 3,174.90 is: 4,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018.22 : 13,527.47 = 3,174.90 : x
  2. Step 2: Convert to fraction form
    9,018.22/13,527.47 = 3,174.90/x
  3. Step 3: Cross multiply
    9,018.22x = 13,527.47 × 3,174.90
  4. Step 4: Simplify right side
    9,018.22x = 42,948,364.50
  5. Step 5: Solve for x
    x = 42,948,364.50/9,018.22
  6. Step 6: Final answer
    x = 4,762.40

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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.