Home / 7,644.22-10,547.55-4,618.72

Finding the Fourth Proportional to 7,644.22, 10,547.55 and 4,618.72

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Solution

The fourth proportional to 7,644.22, 10,547.55 and 4,618.72 is: 6,372.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.22 : 10,547.55 = 4,618.72 : x
  2. Step 2: Convert to fraction form
    7,644.22/10,547.55 = 4,618.72/x
  3. Step 3: Cross multiply
    7,644.22x = 10,547.55 × 4,618.72
  4. Step 4: Simplify right side
    7,644.22x = 48,716,193.32
  5. Step 5: Solve for x
    x = 48,716,193.32/7,644.22
  6. Step 6: Final answer
    x = 6,372.94

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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.