Home / 8,426.12-11,629.14-4,888.58

Finding the Fourth Proportional to 8,426.12, 11,629.14 and 4,888.58

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Solution

The fourth proportional to 8,426.12, 11,629.14 and 4,888.58 is: 6,746.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.12 : 11,629.14 = 4,888.58 : x
  2. Step 2: Convert to fraction form
    8,426.12/11,629.14 = 4,888.58/x
  3. Step 3: Cross multiply
    8,426.12x = 11,629.14 × 4,888.58
  4. Step 4: Simplify right side
    8,426.12x = 56,849,981.22
  5. Step 5: Solve for x
    x = 56,849,981.22/8,426.12
  6. Step 6: Final answer
    x = 6,746.88

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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.