Home / 12,343.10-17,032.38-7,307.48

Finding the Fourth Proportional to 12,343.10, 17,032.38 and 7,307.48

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Solution

The fourth proportional to 12,343.10, 17,032.38 and 7,307.48 is: 10,083.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.10 : 17,032.38 = 7,307.48 : x
  2. Step 2: Convert to fraction form
    12,343.10/17,032.38 = 7,307.48/x
  3. Step 3: Cross multiply
    12,343.10x = 17,032.38 × 7,307.48
  4. Step 4: Simplify right side
    12,343.10x = 124,463,776.20
  5. Step 5: Solve for x
    x = 124,463,776.20/12,343.10
  6. Step 6: Final answer
    x = 10,083.67

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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.