Home / 13,461.48-18,579.11-7,795.26

Finding the Fourth Proportional to 13,461.48, 18,579.11 and 7,795.26

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Solution

The fourth proportional to 13,461.48, 18,579.11 and 7,795.26 is: 10,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,461.48 : 18,579.11 = 7,795.26 : x
  2. Step 2: Convert to fraction form
    13,461.48/18,579.11 = 7,795.26/x
  3. Step 3: Cross multiply
    13,461.48x = 18,579.11 × 7,795.26
  4. Step 4: Simplify right side
    13,461.48x = 144,828,954.04
  5. Step 5: Solve for x
    x = 144,828,954.04/13,461.48
  6. Step 6: Final answer
    x = 10,758.77

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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.