Home / 7,635.48-11,457.84-4,518.12

Finding the Fourth Proportional to 7,635.48, 11,457.84 and 4,518.12

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Solution

The fourth proportional to 7,635.48, 11,457.84 and 4,518.12 is: 6,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.48 : 11,457.84 = 4,518.12 : x
  2. Step 2: Convert to fraction form
    7,635.48/11,457.84 = 4,518.12/x
  3. Step 3: Cross multiply
    7,635.48x = 11,457.84 × 4,518.12
  4. Step 4: Simplify right side
    7,635.48x = 51,767,896.06
  5. Step 5: Solve for x
    x = 51,767,896.06/7,635.48
  6. Step 6: Final answer
    x = 6,779.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.