Home / 10,901.75-15,045.53-6,426.95

Finding the Fourth Proportional to 10,901.75, 15,045.53 and 6,426.95

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Solution

The fourth proportional to 10,901.75, 15,045.53 and 6,426.95 is: 8,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.75 : 15,045.53 = 6,426.95 : x
  2. Step 2: Convert to fraction form
    10,901.75/15,045.53 = 6,426.95/x
  3. Step 3: Cross multiply
    10,901.75x = 15,045.53 × 6,426.95
  4. Step 4: Simplify right side
    10,901.75x = 96,696,761.67
  5. Step 5: Solve for x
    x = 96,696,761.67/10,901.75
  6. Step 6: Final answer
    x = 8,869.84

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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.