Home / 9,228.40-12,734.31-5,690.93

Finding the Fourth Proportional to 9,228.40, 12,734.31 and 5,690.93

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Solution

The fourth proportional to 9,228.40, 12,734.31 and 5,690.93 is: 7,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.40 : 12,734.31 = 5,690.93 : x
  2. Step 2: Convert to fraction form
    9,228.40/12,734.31 = 5,690.93/x
  3. Step 3: Cross multiply
    9,228.40x = 12,734.31 × 5,690.93
  4. Step 4: Simplify right side
    9,228.40x = 72,470,024.48
  5. Step 5: Solve for x
    x = 72,470,024.48/9,228.40
  6. Step 6: Final answer
    x = 7,852.94

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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.