Home / 7,446.50-10,276.47-4,089.45

Finding the Fourth Proportional to 7,446.50, 10,276.47 and 4,089.45

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Solution

The fourth proportional to 7,446.50, 10,276.47 and 4,089.45 is: 5,643.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.50 : 10,276.47 = 4,089.45 : x
  2. Step 2: Convert to fraction form
    7,446.50/10,276.47 = 4,089.45/x
  3. Step 3: Cross multiply
    7,446.50x = 10,276.47 × 4,089.45
  4. Step 4: Simplify right side
    7,446.50x = 42,025,110.24
  5. Step 5: Solve for x
    x = 42,025,110.24/7,446.50
  6. Step 6: Final answer
    x = 5,643.61

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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.