Home / 8,722.77-12,037.66-4,744.16

Finding the Fourth Proportional to 8,722.77, 12,037.66 and 4,744.16

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Solution

The fourth proportional to 8,722.77, 12,037.66 and 4,744.16 is: 6,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.77 : 12,037.66 = 4,744.16 : x
  2. Step 2: Convert to fraction form
    8,722.77/12,037.66 = 4,744.16/x
  3. Step 3: Cross multiply
    8,722.77x = 12,037.66 × 4,744.16
  4. Step 4: Simplify right side
    8,722.77x = 57,108,585.07
  5. Step 5: Solve for x
    x = 57,108,585.07/8,722.77
  6. Step 6: Final answer
    x = 6,547.07

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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.