Home / 8,459.02-11,672.31-4,919.50

Finding the Fourth Proportional to 8,459.02, 11,672.31 and 4,919.50

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Solution

The fourth proportional to 8,459.02, 11,672.31 and 4,919.50 is: 6,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.02 : 11,672.31 = 4,919.50 : x
  2. Step 2: Convert to fraction form
    8,459.02/11,672.31 = 4,919.50/x
  3. Step 3: Cross multiply
    8,459.02x = 11,672.31 × 4,919.50
  4. Step 4: Simplify right side
    8,459.02x = 57,421,929.05
  5. Step 5: Solve for x
    x = 57,421,929.05/8,459.02
  6. Step 6: Final answer
    x = 6,788.25

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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.