Home / 8,945.94-12,345.96-4,967.13

Finding the Fourth Proportional to 8,945.94, 12,345.96 and 4,967.13

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Solution

The fourth proportional to 8,945.94, 12,345.96 and 4,967.13 is: 6,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.94 : 12,345.96 = 4,967.13 : x
  2. Step 2: Convert to fraction form
    8,945.94/12,345.96 = 4,967.13/x
  3. Step 3: Cross multiply
    8,945.94x = 12,345.96 × 4,967.13
  4. Step 4: Simplify right side
    8,945.94x = 61,323,988.29
  5. Step 5: Solve for x
    x = 61,323,988.29/8,945.94
  6. Step 6: Final answer
    x = 6,854.95

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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.