Home / 7,648.52-10,555.18-4,663.68

Finding the Fourth Proportional to 7,648.52, 10,555.18 and 4,663.68

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Solution

The fourth proportional to 7,648.52, 10,555.18 and 4,663.68 is: 6,436.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.52 : 10,555.18 = 4,663.68 : x
  2. Step 2: Convert to fraction form
    7,648.52/10,555.18 = 4,663.68/x
  3. Step 3: Cross multiply
    7,648.52x = 10,555.18 × 4,663.68
  4. Step 4: Simplify right side
    7,648.52x = 49,225,981.86
  5. Step 5: Solve for x
    x = 49,225,981.86/7,648.52
  6. Step 6: Final answer
    x = 6,436.01

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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.