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Finding the Fourth Proportional to 9,239.66, 12,746.15 and 5,460.99

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Solution

The fourth proportional to 9,239.66, 12,746.15 and 5,460.99 is: 7,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.66 : 12,746.15 = 5,460.99 : x
  2. Step 2: Convert to fraction form
    9,239.66/12,746.15 = 5,460.99/x
  3. Step 3: Cross multiply
    9,239.66x = 12,746.15 × 5,460.99
  4. Step 4: Simplify right side
    9,239.66x = 69,606,597.69
  5. Step 5: Solve for x
    x = 69,606,597.69/9,239.66
  6. Step 6: Final answer
    x = 7,533.46

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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.