Home / 9,176.16-12,651.05-6,621.77

Finding the Fourth Proportional to 9,176.16, 12,651.05 and 6,621.77

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Solution

The fourth proportional to 9,176.16, 12,651.05 and 6,621.77 is: 9,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.16 : 12,651.05 = 6,621.77 : x
  2. Step 2: Convert to fraction form
    9,176.16/12,651.05 = 6,621.77/x
  3. Step 3: Cross multiply
    9,176.16x = 12,651.05 × 6,621.77
  4. Step 4: Simplify right side
    9,176.16x = 83,772,343.36
  5. Step 5: Solve for x
    x = 83,772,343.36/9,176.16
  6. Step 6: Final answer
    x = 9,129.35

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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.