Home / 10,628.24-14,667.04-5,912.40

Finding the Fourth Proportional to 10,628.24, 14,667.04 and 5,912.40

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Solution

The fourth proportional to 10,628.24, 14,667.04 and 5,912.40 is: 8,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.24 : 14,667.04 = 5,912.40 : x
  2. Step 2: Convert to fraction form
    10,628.24/14,667.04 = 5,912.40/x
  3. Step 3: Cross multiply
    10,628.24x = 14,667.04 × 5,912.40
  4. Step 4: Simplify right side
    10,628.24x = 86,717,407.30
  5. Step 5: Solve for x
    x = 86,717,407.30/10,628.24
  6. Step 6: Final answer
    x = 8,159.15

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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.