Home / 8,916.56-12,304.64-4,937.60

Finding the Fourth Proportional to 8,916.56, 12,304.64 and 4,937.60

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Solution

The fourth proportional to 8,916.56, 12,304.64 and 4,937.60 is: 6,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.56 : 12,304.64 = 4,937.60 : x
  2. Step 2: Convert to fraction form
    8,916.56/12,304.64 = 4,937.60/x
  3. Step 3: Cross multiply
    8,916.56x = 12,304.64 × 4,937.60
  4. Step 4: Simplify right side
    8,916.56x = 60,755,390.46
  5. Step 5: Solve for x
    x = 60,755,390.46/8,916.56
  6. Step 6: Final answer
    x = 6,813.77

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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.