Home / 9,264.64-12,785.60-5,537.92

Finding the Fourth Proportional to 9,264.64, 12,785.60 and 5,537.92

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Solution

The fourth proportional to 9,264.64, 12,785.60 and 5,537.92 is: 7,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,264.64 : 12,785.60 = 5,537.92 : x
  2. Step 2: Convert to fraction form
    9,264.64/12,785.60 = 5,537.92/x
  3. Step 3: Cross multiply
    9,264.64x = 12,785.60 × 5,537.92
  4. Step 4: Simplify right side
    9,264.64x = 70,805,629.95
  5. Step 5: Solve for x
    x = 70,805,629.95/9,264.64
  6. Step 6: Final answer
    x = 7,642.57

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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.