Home / 9,007.23-12,430.16-5,230.71

Finding the Fourth Proportional to 9,007.23, 12,430.16 and 5,230.71

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Solution

The fourth proportional to 9,007.23, 12,430.16 and 5,230.71 is: 7,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.23 : 12,430.16 = 5,230.71 : x
  2. Step 2: Convert to fraction form
    9,007.23/12,430.16 = 5,230.71/x
  3. Step 3: Cross multiply
    9,007.23x = 12,430.16 × 5,230.71
  4. Step 4: Simplify right side
    9,007.23x = 65,018,536.06
  5. Step 5: Solve for x
    x = 65,018,536.06/9,007.23
  6. Step 6: Final answer
    x = 7,218.48

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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.