Home / 8,312.11-12,475.66-5,637.22

Finding the Fourth Proportional to 8,312.11, 12,475.66 and 5,637.22

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Solution

The fourth proportional to 8,312.11, 12,475.66 and 5,637.22 is: 8,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.11 : 12,475.66 = 5,637.22 : x
  2. Step 2: Convert to fraction form
    8,312.11/12,475.66 = 5,637.22/x
  3. Step 3: Cross multiply
    8,312.11x = 12,475.66 × 5,637.22
  4. Step 4: Simplify right side
    8,312.11x = 70,328,040.07
  5. Step 5: Solve for x
    x = 70,328,040.07/8,312.11
  6. Step 6: Final answer
    x = 8,460.91

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1.5x scale

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.