Home / 8,935.29-12,330.68-4,957

Finding the Fourth Proportional to 8,935.29, 12,330.68 and 4,957

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Solution

The fourth proportional to 8,935.29, 12,330.68 and 4,957 is: 6,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.29 : 12,330.68 = 4,957 : x
  2. Step 2: Convert to fraction form
    8,935.29/12,330.68 = 4,957/x
  3. Step 3: Cross multiply
    8,935.29x = 12,330.68 × 4,957
  4. Step 4: Simplify right side
    8,935.29x = 61,123,193.15
  5. Step 5: Solve for x
    x = 61,123,193.15/8,935.29
  6. Step 6: Final answer
    x = 6,840.65

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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.