Home / 9,430.12-13,013.04-5,452.48

Finding the Fourth Proportional to 9,430.12, 13,013.04 and 5,452.48

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Solution

The fourth proportional to 9,430.12, 13,013.04 and 5,452.48 is: 7,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.12 : 13,013.04 = 5,452.48 : x
  2. Step 2: Convert to fraction form
    9,430.12/13,013.04 = 5,452.48/x
  3. Step 3: Cross multiply
    9,430.12x = 13,013.04 × 5,452.48
  4. Step 4: Simplify right side
    9,430.12x = 70,953,340.34
  5. Step 5: Solve for x
    x = 70,953,340.34/9,430.12
  6. Step 6: Final answer
    x = 7,524.12

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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.