Home / 7,488.96-10,332.35-4,971.56

Finding the Fourth Proportional to 7,488.96, 10,332.35 and 4,971.56

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Solution

The fourth proportional to 7,488.96, 10,332.35 and 4,971.56 is: 6,859.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.96 : 10,332.35 = 4,971.56 : x
  2. Step 2: Convert to fraction form
    7,488.96/10,332.35 = 4,971.56/x
  3. Step 3: Cross multiply
    7,488.96x = 10,332.35 × 4,971.56
  4. Step 4: Simplify right side
    7,488.96x = 51,367,847.53
  5. Step 5: Solve for x
    x = 51,367,847.53/7,488.96
  6. Step 6: Final answer
    x = 6,859.14

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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.