Home / 9,038.70-12,471.56-5,262.48

Finding the Fourth Proportional to 9,038.70, 12,471.56 and 5,262.48

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Solution

The fourth proportional to 9,038.70, 12,471.56 and 5,262.48 is: 7,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.70 : 12,471.56 = 5,262.48 : x
  2. Step 2: Convert to fraction form
    9,038.70/12,471.56 = 5,262.48/x
  3. Step 3: Cross multiply
    9,038.70x = 12,471.56 × 5,262.48
  4. Step 4: Simplify right side
    9,038.70x = 65,631,335.07
  5. Step 5: Solve for x
    x = 65,631,335.07/9,038.70
  6. Step 6: Final answer
    x = 7,261.15

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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.