Home / 10,316.04-14,236.98-8,634.48

Finding the Fourth Proportional to 10,316.04, 14,236.98 and 8,634.48

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Solution

The fourth proportional to 10,316.04, 14,236.98 and 8,634.48 is: 11,916.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.04 : 14,236.98 = 8,634.48 : x
  2. Step 2: Convert to fraction form
    10,316.04/14,236.98 = 8,634.48/x
  3. Step 3: Cross multiply
    10,316.04x = 14,236.98 × 8,634.48
  4. Step 4: Simplify right side
    10,316.04x = 122,928,919.07
  5. Step 5: Solve for x
    x = 122,928,919.07/10,316.04
  6. Step 6: Final answer
    x = 11,916.29

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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.