Home / 8,945.96-12,345.57-4,967.24

Finding the Fourth Proportional to 8,945.96, 12,345.57 and 4,967.24

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Solution

The fourth proportional to 8,945.96, 12,345.57 and 4,967.24 is: 6,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.96 : 12,345.57 = 4,967.24 : x
  2. Step 2: Convert to fraction form
    8,945.96/12,345.57 = 4,967.24/x
  3. Step 3: Cross multiply
    8,945.96x = 12,345.57 × 4,967.24
  4. Step 4: Simplify right side
    8,945.96x = 61,323,384.29
  5. Step 5: Solve for x
    x = 61,323,384.29/8,945.96
  6. Step 6: Final answer
    x = 6,854.87

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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.