Home / 7,341.50-11,012.28-5,159.99

Finding the Fourth Proportional to 7,341.50, 11,012.28 and 5,159.99

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Solution

The fourth proportional to 7,341.50, 11,012.28 and 5,159.99 is: 7,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.50 : 11,012.28 = 5,159.99 : x
  2. Step 2: Convert to fraction form
    7,341.50/11,012.28 = 5,159.99/x
  3. Step 3: Cross multiply
    7,341.50x = 11,012.28 × 5,159.99
  4. Step 4: Simplify right side
    7,341.50x = 56,823,262.86
  5. Step 5: Solve for x
    x = 56,823,262.86/7,341.50
  6. Step 6: Final answer
    x = 7,740.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.