Home / 9,730.80-14,592.60-3,157.20

Finding the Fourth Proportional to 9,730.80, 14,592.60 and 3,157.20

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Solution

The fourth proportional to 9,730.80, 14,592.60 and 3,157.20 is: 4,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,730.80 : 14,592.60 = 3,157.20 : x
  2. Step 2: Convert to fraction form
    9,730.80/14,592.60 = 3,157.20/x
  3. Step 3: Cross multiply
    9,730.80x = 14,592.60 × 3,157.20
  4. Step 4: Simplify right side
    9,730.80x = 46,071,756.72
  5. Step 5: Solve for x
    x = 46,071,756.72/9,730.80
  6. Step 6: Final answer
    x = 4,734.63

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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.