Home / 10,397.66-14,348.54-5,681.97

Finding the Fourth Proportional to 10,397.66, 14,348.54 and 5,681.97

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Solution

The fourth proportional to 10,397.66, 14,348.54 and 5,681.97 is: 7,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.66 : 14,348.54 = 5,681.97 : x
  2. Step 2: Convert to fraction form
    10,397.66/14,348.54 = 5,681.97/x
  3. Step 3: Cross multiply
    10,397.66x = 14,348.54 × 5,681.97
  4. Step 4: Simplify right side
    10,397.66x = 81,527,945.41
  5. Step 5: Solve for x
    x = 81,527,945.41/10,397.66
  6. Step 6: Final answer
    x = 7,840.99

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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.