Home / 9,905.61-14,854.88-4,639.73

Finding the Fourth Proportional to 9,905.61, 14,854.88 and 4,639.73

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Solution

The fourth proportional to 9,905.61, 14,854.88 and 4,639.73 is: 6,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.61 : 14,854.88 = 4,639.73 : x
  2. Step 2: Convert to fraction form
    9,905.61/14,854.88 = 4,639.73/x
  3. Step 3: Cross multiply
    9,905.61x = 14,854.88 × 4,639.73
  4. Step 4: Simplify right side
    9,905.61x = 68,922,569.71
  5. Step 5: Solve for x
    x = 68,922,569.71/9,905.61
  6. Step 6: Final answer
    x = 6,957.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.