Home / 10,375.39-14,318.02-5,659.67

Finding the Fourth Proportional to 10,375.39, 14,318.02 and 5,659.67

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Solution

The fourth proportional to 10,375.39, 14,318.02 and 5,659.67 is: 7,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,375.39 : 14,318.02 = 5,659.67 : x
  2. Step 2: Convert to fraction form
    10,375.39/14,318.02 = 5,659.67/x
  3. Step 3: Cross multiply
    10,375.39x = 14,318.02 × 5,659.67
  4. Step 4: Simplify right side
    10,375.39x = 81,035,261.18
  5. Step 5: Solve for x
    x = 81,035,261.18/10,375.39
  6. Step 6: Final answer
    x = 7,810.33

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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.