Home / 10,628.04-15,920.10-6,713.22

Finding the Fourth Proportional to 10,628.04, 15,920.10 and 6,713.22

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Solution

The fourth proportional to 10,628.04, 15,920.10 and 6,713.22 is: 10,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.04 : 15,920.10 = 6,713.22 : x
  2. Step 2: Convert to fraction form
    10,628.04/15,920.10 = 6,713.22/x
  3. Step 3: Cross multiply
    10,628.04x = 15,920.10 × 6,713.22
  4. Step 4: Simplify right side
    10,628.04x = 106,875,133.72
  5. Step 5: Solve for x
    x = 106,875,133.72/10,628.04
  6. Step 6: Final answer
    x = 10,055.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.