Home / 9,124,287.12-12,594,320.64-5,259,391.56

Finding the Fourth Proportional to 9,124,287.12, 12,594,320.64 and 5,259,391.56

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Solution

The fourth proportional to 9,124,287.12, 12,594,320.64 and 5,259,391.56 is: 7,259,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124,287.12 : 12,594,320.64 = 5,259,391.56 : x
  2. Step 2: Convert to fraction form
    9,124,287.12/12,594,320.64 = 5,259,391.56/x
  3. Step 3: Cross multiply
    9,124,287.12x = 12,594,320.64 × 5,259,391.56
  4. Step 4: Simplify right side
    9,124,287.12x = 66,238,463,677,949.80
  5. Step 5: Solve for x
    x = 66,238,463,677,949.80/9,124,287.12
  6. Step 6: Final answer
    x = 7,259,576.86

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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.