Home / 10,850.36-14,985.79-7,307.42

Finding the Fourth Proportional to 10,850.36, 14,985.79 and 7,307.42

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Solution

The fourth proportional to 10,850.36, 14,985.79 and 7,307.42 is: 10,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,850.36 : 14,985.79 = 7,307.42 : x
  2. Step 2: Convert to fraction form
    10,850.36/14,985.79 = 7,307.42/x
  3. Step 3: Cross multiply
    10,850.36x = 14,985.79 × 7,307.42
  4. Step 4: Simplify right side
    10,850.36x = 109,507,368.36
  5. Step 5: Solve for x
    x = 109,507,368.36/10,850.36
  6. Step 6: Final answer
    x = 10,092.51

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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.