Home / 10,827.36-14,942.63-8,607.56

Finding the Fourth Proportional to 10,827.36, 14,942.63 and 8,607.56

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Solution

The fourth proportional to 10,827.36, 14,942.63 and 8,607.56 is: 11,879.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.36 : 14,942.63 = 8,607.56 : x
  2. Step 2: Convert to fraction form
    10,827.36/14,942.63 = 8,607.56/x
  3. Step 3: Cross multiply
    10,827.36x = 14,942.63 × 8,607.56
  4. Step 4: Simplify right side
    10,827.36x = 128,619,466.53
  5. Step 5: Solve for x
    x = 128,619,466.53/10,827.36
  6. Step 6: Final answer
    x = 11,879.12

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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.