Home / 8,945.67-12,345.16-4,966.82

Finding the Fourth Proportional to 8,945.67, 12,345.16 and 4,966.82

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Solution

The fourth proportional to 8,945.67, 12,345.16 and 4,966.82 is: 6,854.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.67 : 12,345.16 = 4,966.82 : x
  2. Step 2: Convert to fraction form
    8,945.67/12,345.16 = 4,966.82/x
  3. Step 3: Cross multiply
    8,945.67x = 12,345.16 × 4,966.82
  4. Step 4: Simplify right side
    8,945.67x = 61,316,169.06
  5. Step 5: Solve for x
    x = 61,316,169.06/8,945.67
  6. Step 6: Final answer
    x = 6,854.29

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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.