Home / 8,932.07-12,312.05-7,040.58

Finding the Fourth Proportional to 8,932.07, 12,312.05 and 7,040.58

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Solution

The fourth proportional to 8,932.07, 12,312.05 and 7,040.58 is: 9,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.07 : 12,312.05 = 7,040.58 : x
  2. Step 2: Convert to fraction form
    8,932.07/12,312.05 = 7,040.58/x
  3. Step 3: Cross multiply
    8,932.07x = 12,312.05 × 7,040.58
  4. Step 4: Simplify right side
    8,932.07x = 86,683,937.79
  5. Step 5: Solve for x
    x = 86,683,937.79/8,932.07
  6. Step 6: Final answer
    x = 9,704.80

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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.