Home / 10,634.39-14,681.21-7,457.43

Finding the Fourth Proportional to 10,634.39, 14,681.21 and 7,457.43

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Solution

The fourth proportional to 10,634.39, 14,681.21 and 7,457.43 is: 10,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.39 : 14,681.21 = 7,457.43 : x
  2. Step 2: Convert to fraction form
    10,634.39/14,681.21 = 7,457.43/x
  3. Step 3: Cross multiply
    10,634.39x = 14,681.21 × 7,457.43
  4. Step 4: Simplify right side
    10,634.39x = 109,484,058.60
  5. Step 5: Solve for x
    x = 109,484,058.60/10,634.39
  6. Step 6: Final answer
    x = 10,295.29

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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.