Home / 9,346.76-12,898.17-5,155.01

Finding the Fourth Proportional to 9,346.76, 12,898.17 and 5,155.01

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Solution

The fourth proportional to 9,346.76, 12,898.17 and 5,155.01 is: 7,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,346.76 : 12,898.17 = 5,155.01 : x
  2. Step 2: Convert to fraction form
    9,346.76/12,898.17 = 5,155.01/x
  3. Step 3: Cross multiply
    9,346.76x = 12,898.17 × 5,155.01
  4. Step 4: Simplify right side
    9,346.76x = 66,490,137.31
  5. Step 5: Solve for x
    x = 66,490,137.31/9,346.76
  6. Step 6: Final answer
    x = 7,113.71

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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.