Home / 10,467.81-14,417.49-9,679.54

Finding the Fourth Proportional to 10,467.81, 14,417.49 and 9,679.54

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Solution

The fourth proportional to 10,467.81, 14,417.49 and 9,679.54 is: 13,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.81 : 14,417.49 = 9,679.54 : x
  2. Step 2: Convert to fraction form
    10,467.81/14,417.49 = 9,679.54/x
  3. Step 3: Cross multiply
    10,467.81x = 14,417.49 × 9,679.54
  4. Step 4: Simplify right side
    10,467.81x = 139,554,671.15
  5. Step 5: Solve for x
    x = 139,554,671.15/10,467.81
  6. Step 6: Final answer
    x = 13,331.80

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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.