Home / 9,947.16-13,727.76-5,970.48

Finding the Fourth Proportional to 9,947.16, 13,727.76 and 5,970.48

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Solution

The fourth proportional to 9,947.16, 13,727.76 and 5,970.48 is: 8,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.16 : 13,727.76 = 5,970.48 : x
  2. Step 2: Convert to fraction form
    9,947.16/13,727.76 = 5,970.48/x
  3. Step 3: Cross multiply
    9,947.16x = 13,727.76 × 5,970.48
  4. Step 4: Simplify right side
    9,947.16x = 81,961,316.52
  5. Step 5: Solve for x
    x = 81,961,316.52/9,947.16
  6. Step 6: Final answer
    x = 8,239.67

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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.