Home / 7,403.47-11,102.04-4,285.63

Finding the Fourth Proportional to 7,403.47, 11,102.04 and 4,285.63

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Solution

The fourth proportional to 7,403.47, 11,102.04 and 4,285.63 is: 6,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.47 : 11,102.04 = 4,285.63 : x
  2. Step 2: Convert to fraction form
    7,403.47/11,102.04 = 4,285.63/x
  3. Step 3: Cross multiply
    7,403.47x = 11,102.04 × 4,285.63
  4. Step 4: Simplify right side
    7,403.47x = 47,579,235.69
  5. Step 5: Solve for x
    x = 47,579,235.69/7,403.47
  6. Step 6: Final answer
    x = 6,426.61

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Double scale
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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.