Home / 9,133.28-12,604.56-5,154.76

Finding the Fourth Proportional to 9,133.28, 12,604.56 and 5,154.76

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Solution

The fourth proportional to 9,133.28, 12,604.56 and 5,154.76 is: 7,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.28 : 12,604.56 = 5,154.76 : x
  2. Step 2: Convert to fraction form
    9,133.28/12,604.56 = 5,154.76/x
  3. Step 3: Cross multiply
    9,133.28x = 12,604.56 × 5,154.76
  4. Step 4: Simplify right side
    9,133.28x = 64,973,481.71
  5. Step 5: Solve for x
    x = 64,973,481.71/9,133.28
  6. Step 6: Final answer
    x = 7,113.93

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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.