Home / 13,271.17-18,313.13-7,301.89

Finding the Fourth Proportional to 13,271.17, 18,313.13 and 7,301.89

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Solution

The fourth proportional to 13,271.17, 18,313.13 and 7,301.89 is: 10,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.17 : 18,313.13 = 7,301.89 : x
  2. Step 2: Convert to fraction form
    13,271.17/18,313.13 = 7,301.89/x
  3. Step 3: Cross multiply
    13,271.17x = 18,313.13 × 7,301.89
  4. Step 4: Simplify right side
    13,271.17x = 133,720,387.50
  5. Step 5: Solve for x
    x = 133,720,387.50/13,271.17
  6. Step 6: Final answer
    x = 10,076.01

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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.