Home / 7,456.23-10,285.32-4,656.87

Finding the Fourth Proportional to 7,456.23, 10,285.32 and 4,656.87

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Solution

The fourth proportional to 7,456.23, 10,285.32 and 4,656.87 is: 6,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.23 : 10,285.32 = 4,656.87 : x
  2. Step 2: Convert to fraction form
    7,456.23/10,285.32 = 4,656.87/x
  3. Step 3: Cross multiply
    7,456.23x = 10,285.32 × 4,656.87
  4. Step 4: Simplify right side
    7,456.23x = 47,897,353.94
  5. Step 5: Solve for x
    x = 47,897,353.94/7,456.23
  6. Step 6: Final answer
    x = 6,423.81

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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.