Home / 9,157.93-13,737.30-3,315.40

Finding the Fourth Proportional to 9,157.93, 13,737.30 and 3,315.40

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Solution

The fourth proportional to 9,157.93, 13,737.30 and 3,315.40 is: 4,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.93 : 13,737.30 = 3,315.40 : x
  2. Step 2: Convert to fraction form
    9,157.93/13,737.30 = 3,315.40/x
  3. Step 3: Cross multiply
    9,157.93x = 13,737.30 × 3,315.40
  4. Step 4: Simplify right side
    9,157.93x = 45,544,644.42
  5. Step 5: Solve for x
    x = 45,544,644.42/9,157.93
  6. Step 6: Final answer
    x = 4,973.25

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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.