Home / 10,458.14-14,426.79-8,470.94

Finding the Fourth Proportional to 10,458.14, 14,426.79 and 8,470.94

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Solution

The fourth proportional to 10,458.14, 14,426.79 and 8,470.94 is: 11,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.14 : 14,426.79 = 8,470.94 : x
  2. Step 2: Convert to fraction form
    10,458.14/14,426.79 = 8,470.94/x
  3. Step 3: Cross multiply
    10,458.14x = 14,426.79 × 8,470.94
  4. Step 4: Simplify right side
    10,458.14x = 122,208,472.48
  5. Step 5: Solve for x
    x = 122,208,472.48/10,458.14
  6. Step 6: Final answer
    x = 11,685.49

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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.