Home / 8,723.43-12,038.28-4,744.55

Finding the Fourth Proportional to 8,723.43, 12,038.28 and 4,744.55

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Solution

The fourth proportional to 8,723.43, 12,038.28 and 4,744.55 is: 6,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.43 : 12,038.28 = 4,744.55 : x
  2. Step 2: Convert to fraction form
    8,723.43/12,038.28 = 4,744.55/x
  3. Step 3: Cross multiply
    8,723.43x = 12,038.28 × 4,744.55
  4. Step 4: Simplify right side
    8,723.43x = 57,116,161.18
  5. Step 5: Solve for x
    x = 57,116,161.18/8,723.43
  6. Step 6: Final answer
    x = 6,547.44

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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.