Home / 10,703.85-14,769.56-6,722.14

Finding the Fourth Proportional to 10,703.85, 14,769.56 and 6,722.14

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Solution

The fourth proportional to 10,703.85, 14,769.56 and 6,722.14 is: 9,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,703.85 : 14,769.56 = 6,722.14 : x
  2. Step 2: Convert to fraction form
    10,703.85/14,769.56 = 6,722.14/x
  3. Step 3: Cross multiply
    10,703.85x = 14,769.56 × 6,722.14
  4. Step 4: Simplify right side
    10,703.85x = 99,283,019.82
  5. Step 5: Solve for x
    x = 99,283,019.82/10,703.85
  6. Step 6: Final answer
    x = 9,275.45

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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.