Home / 9,015.06-12,440.16-4,981.74

Finding the Fourth Proportional to 9,015.06, 12,440.16 and 4,981.74

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Solution

The fourth proportional to 9,015.06, 12,440.16 and 4,981.74 is: 6,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.06 : 12,440.16 = 4,981.74 : x
  2. Step 2: Convert to fraction form
    9,015.06/12,440.16 = 4,981.74/x
  3. Step 3: Cross multiply
    9,015.06x = 12,440.16 × 4,981.74
  4. Step 4: Simplify right side
    9,015.06x = 61,973,642.68
  5. Step 5: Solve for x
    x = 61,973,642.68/9,015.06
  6. Step 6: Final answer
    x = 6,874.46

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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.