Home / 8,794.24-12,139.36-5,258.72

Finding the Fourth Proportional to 8,794.24, 12,139.36 and 5,258.72

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Solution

The fourth proportional to 8,794.24, 12,139.36 and 5,258.72 is: 7,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,794.24 : 12,139.36 = 5,258.72 : x
  2. Step 2: Convert to fraction form
    8,794.24/12,139.36 = 5,258.72/x
  3. Step 3: Cross multiply
    8,794.24x = 12,139.36 × 5,258.72
  4. Step 4: Simplify right side
    8,794.24x = 63,837,495.22
  5. Step 5: Solve for x
    x = 63,837,495.22/8,794.24
  6. Step 6: Final answer
    x = 7,259.01

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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.