Home / 8,719.36-12,032.20-4,740.44

Finding the Fourth Proportional to 8,719.36, 12,032.20 and 4,740.44

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Solution

The fourth proportional to 8,719.36, 12,032.20 and 4,740.44 is: 6,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.36 : 12,032.20 = 4,740.44 : x
  2. Step 2: Convert to fraction form
    8,719.36/12,032.20 = 4,740.44/x
  3. Step 3: Cross multiply
    8,719.36x = 12,032.20 × 4,740.44
  4. Step 4: Simplify right side
    8,719.36x = 57,037,922.17
  5. Step 5: Solve for x
    x = 57,037,922.17/8,719.36
  6. Step 6: Final answer
    x = 6,541.53

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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.