Home / 12,457.23-17,173.11-9,800.02

Finding the Fourth Proportional to 12,457.23, 17,173.11 and 9,800.02

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Solution

The fourth proportional to 12,457.23, 17,173.11 and 9,800.02 is: 13,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.23 : 17,173.11 = 9,800.02 : x
  2. Step 2: Convert to fraction form
    12,457.23/17,173.11 = 9,800.02/x
  3. Step 3: Cross multiply
    12,457.23x = 17,173.11 × 9,800.02
  4. Step 4: Simplify right side
    12,457.23x = 168,296,821.46
  5. Step 5: Solve for x
    x = 168,296,821.46/12,457.23
  6. Step 6: Final answer
    x = 13,509.98

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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.