Home / 10,264.86-14,172.30-9,558.45

Finding the Fourth Proportional to 10,264.86, 14,172.30 and 9,558.45

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Solution

The fourth proportional to 10,264.86, 14,172.30 and 9,558.45 is: 13,196.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,264.86 : 14,172.30 = 9,558.45 : x
  2. Step 2: Convert to fraction form
    10,264.86/14,172.30 = 9,558.45/x
  3. Step 3: Cross multiply
    10,264.86x = 14,172.30 × 9,558.45
  4. Step 4: Simplify right side
    10,264.86x = 135,465,220.94
  5. Step 5: Solve for x
    x = 135,465,220.94/10,264.86
  6. Step 6: Final answer
    x = 13,196.99

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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.