Home / 10,628.12-14,666.70-5,912.32

Finding the Fourth Proportional to 10,628.12, 14,666.70 and 5,912.32

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Solution

The fourth proportional to 10,628.12, 14,666.70 and 5,912.32 is: 8,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.12 : 14,666.70 = 5,912.32 : x
  2. Step 2: Convert to fraction form
    10,628.12/14,666.70 = 5,912.32/x
  3. Step 3: Cross multiply
    10,628.12x = 14,666.70 × 5,912.32
  4. Step 4: Simplify right side
    10,628.12x = 86,714,223.74
  5. Step 5: Solve for x
    x = 86,714,223.74/10,628.12
  6. Step 6: Final answer
    x = 8,158.94

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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.