Home / 10,632.18-14,664.90-9,213.32

Finding the Fourth Proportional to 10,632.18, 14,664.90 and 9,213.32

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Solution

The fourth proportional to 10,632.18, 14,664.90 and 9,213.32 is: 12,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.18 : 14,664.90 = 9,213.32 : x
  2. Step 2: Convert to fraction form
    10,632.18/14,664.90 = 9,213.32/x
  3. Step 3: Cross multiply
    10,632.18x = 14,664.90 × 9,213.32
  4. Step 4: Simplify right side
    10,632.18x = 135,112,416.47
  5. Step 5: Solve for x
    x = 135,112,416.47/10,632.18
  6. Step 6: Final answer
    x = 12,707.88

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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.