Home / 10,358.37-15,531.56-7,075.43

Finding the Fourth Proportional to 10,358.37, 15,531.56 and 7,075.43

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Solution

The fourth proportional to 10,358.37, 15,531.56 and 7,075.43 is: 10,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.37 : 15,531.56 = 7,075.43 : x
  2. Step 2: Convert to fraction form
    10,358.37/15,531.56 = 7,075.43/x
  3. Step 3: Cross multiply
    10,358.37x = 15,531.56 × 7,075.43
  4. Step 4: Simplify right side
    10,358.37x = 109,892,430.19
  5. Step 5: Solve for x
    x = 109,892,430.19/10,358.37
  6. Step 6: Final answer
    x = 10,609.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.