Home / 9,432.64-13,018.92-5,453.56

Finding the Fourth Proportional to 9,432.64, 13,018.92 and 5,453.56

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Solution

The fourth proportional to 9,432.64, 13,018.92 and 5,453.56 is: 7,527.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.64 : 13,018.92 = 5,453.56 : x
  2. Step 2: Convert to fraction form
    9,432.64/13,018.92 = 5,453.56/x
  3. Step 3: Cross multiply
    9,432.64x = 13,018.92 × 5,453.56
  4. Step 4: Simplify right side
    9,432.64x = 70,999,461.36
  5. Step 5: Solve for x
    x = 70,999,461.36/9,432.64
  6. Step 6: Final answer
    x = 7,527.00

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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.