Home / 8,457.77-11,671.55-4,680.93

Finding the Fourth Proportional to 8,457.77, 11,671.55 and 4,680.93

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Solution

The fourth proportional to 8,457.77, 11,671.55 and 4,680.93 is: 6,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.77 : 11,671.55 = 4,680.93 : x
  2. Step 2: Convert to fraction form
    8,457.77/11,671.55 = 4,680.93/x
  3. Step 3: Cross multiply
    8,457.77x = 11,671.55 × 4,680.93
  4. Step 4: Simplify right side
    8,457.77x = 54,633,720.24
  5. Step 5: Solve for x
    x = 54,633,720.24/8,457.77
  6. Step 6: Final answer
    x = 6,459.59

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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.