Home / 9,236.78-12,743.75-5,460.06

Finding the Fourth Proportional to 9,236.78, 12,743.75 and 5,460.06

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Solution

The fourth proportional to 9,236.78, 12,743.75 and 5,460.06 is: 7,533.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.78 : 12,743.75 = 5,460.06 : x
  2. Step 2: Convert to fraction form
    9,236.78/12,743.75 = 5,460.06/x
  3. Step 3: Cross multiply
    9,236.78x = 12,743.75 × 5,460.06
  4. Step 4: Simplify right side
    9,236.78x = 69,581,639.63
  5. Step 5: Solve for x
    x = 69,581,639.63/9,236.78
  6. Step 6: Final answer
    x = 7,533.11

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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.