Home / 8,973.18-13,474.35-8,905.14

Finding the Fourth Proportional to 8,973.18, 13,474.35 and 8,905.14

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Solution

The fourth proportional to 8,973.18, 13,474.35 and 8,905.14 is: 13,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.18 : 13,474.35 = 8,905.14 : x
  2. Step 2: Convert to fraction form
    8,973.18/13,474.35 = 8,905.14/x
  3. Step 3: Cross multiply
    8,973.18x = 13,474.35 × 8,905.14
  4. Step 4: Simplify right side
    8,973.18x = 119,990,973.16
  5. Step 5: Solve for x
    x = 119,990,973.16/8,973.18
  6. Step 6: Final answer
    x = 13,372.18

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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.