Home / 7,622.48-11,387.53-4,826.77

Finding the Fourth Proportional to 7,622.48, 11,387.53 and 4,826.77

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Solution

The fourth proportional to 7,622.48, 11,387.53 and 4,826.77 is: 7,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.48 : 11,387.53 = 4,826.77 : x
  2. Step 2: Convert to fraction form
    7,622.48/11,387.53 = 4,826.77/x
  3. Step 3: Cross multiply
    7,622.48x = 11,387.53 × 4,826.77
  4. Step 4: Simplify right side
    7,622.48x = 54,964,931.24
  5. Step 5: Solve for x
    x = 54,964,931.24/7,622.48
  6. Step 6: Final answer
    x = 7,210.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.