Home / 13,265.99-18,307.10-7,298.11

Finding the Fourth Proportional to 13,265.99, 18,307.10 and 7,298.11

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Solution

The fourth proportional to 13,265.99, 18,307.10 and 7,298.11 is: 10,071.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.99 : 18,307.10 = 7,298.11 : x
  2. Step 2: Convert to fraction form
    13,265.99/18,307.10 = 7,298.11/x
  3. Step 3: Cross multiply
    13,265.99x = 18,307.10 × 7,298.11
  4. Step 4: Simplify right side
    13,265.99x = 133,607,202.06
  5. Step 5: Solve for x
    x = 133,607,202.06/13,265.99
  6. Step 6: Final answer
    x = 10,071.41

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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.