Home / 11,214.37-15,475.75-6,178.47

Finding the Fourth Proportional to 11,214.37, 15,475.75 and 6,178.47

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Solution

The fourth proportional to 11,214.37, 15,475.75 and 6,178.47 is: 8,526.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.37 : 15,475.75 = 6,178.47 : x
  2. Step 2: Convert to fraction form
    11,214.37/15,475.75 = 6,178.47/x
  3. Step 3: Cross multiply
    11,214.37x = 15,475.75 × 6,178.47
  4. Step 4: Simplify right side
    11,214.37x = 95,616,457.10
  5. Step 5: Solve for x
    x = 95,616,457.10/11,214.37
  6. Step 6: Final answer
    x = 8,526.24

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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.