Home / 7,648.45-10,555.38-4,461.50

Finding the Fourth Proportional to 7,648.45, 10,555.38 and 4,461.50

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Solution

The fourth proportional to 7,648.45, 10,555.38 and 4,461.50 is: 6,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.45 : 10,555.38 = 4,461.50 : x
  2. Step 2: Convert to fraction form
    7,648.45/10,555.38 = 4,461.50/x
  3. Step 3: Cross multiply
    7,648.45x = 10,555.38 × 4,461.50
  4. Step 4: Simplify right side
    7,648.45x = 47,092,854.26
  5. Step 5: Solve for x
    x = 47,092,854.26/7,648.45
  6. Step 6: Final answer
    x = 6,157.18

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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.