Home / 12,501.14-17,253.19-7,125.50

Finding the Fourth Proportional to 12,501.14, 17,253.19 and 7,125.50

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Solution

The fourth proportional to 12,501.14, 17,253.19 and 7,125.50 is: 9,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.14 : 17,253.19 = 7,125.50 : x
  2. Step 2: Convert to fraction form
    12,501.14/17,253.19 = 7,125.50/x
  3. Step 3: Cross multiply
    12,501.14x = 17,253.19 × 7,125.50
  4. Step 4: Simplify right side
    12,501.14x = 122,937,635.00
  5. Step 5: Solve for x
    x = 122,937,635.00/12,501.14
  6. Step 6: Final answer
    x = 9,834.12

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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.