Home / 8,926.06-12,319.70-5,151.68

Finding the Fourth Proportional to 8,926.06, 12,319.70 and 5,151.68

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Solution

The fourth proportional to 8,926.06, 12,319.70 and 5,151.68 is: 7,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.06 : 12,319.70 = 5,151.68 : x
  2. Step 2: Convert to fraction form
    8,926.06/12,319.70 = 5,151.68/x
  3. Step 3: Cross multiply
    8,926.06x = 12,319.70 × 5,151.68
  4. Step 4: Simplify right side
    8,926.06x = 63,467,152.10
  5. Step 5: Solve for x
    x = 63,467,152.10/8,926.06
  6. Step 6: Final answer
    x = 7,110.32

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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.