Home / 34,753.06-52,129.68-8,457.76

Finding the Fourth Proportional to 34,753.06, 52,129.68 and 8,457.76

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Solution

The fourth proportional to 34,753.06, 52,129.68 and 8,457.76 is: 12,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,753.06 : 52,129.68 = 8,457.76 : x
  2. Step 2: Convert to fraction form
    34,753.06/52,129.68 = 8,457.76/x
  3. Step 3: Cross multiply
    34,753.06x = 52,129.68 × 8,457.76
  4. Step 4: Simplify right side
    34,753.06x = 440,900,322.32
  5. Step 5: Solve for x
    x = 440,900,322.32/34,753.06
  6. Step 6: Final answer
    x = 12,686.66

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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.