Home / 9,386.48-12,953.16-5,194.76

Finding the Fourth Proportional to 9,386.48, 12,953.16 and 5,194.76

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Solution

The fourth proportional to 9,386.48, 12,953.16 and 5,194.76 is: 7,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.48 : 12,953.16 = 5,194.76 : x
  2. Step 2: Convert to fraction form
    9,386.48/12,953.16 = 5,194.76/x
  3. Step 3: Cross multiply
    9,386.48x = 12,953.16 × 5,194.76
  4. Step 4: Simplify right side
    9,386.48x = 67,288,557.44
  5. Step 5: Solve for x
    x = 67,288,557.44/9,386.48
  6. Step 6: Final answer
    x = 7,168.67

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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.