Home / 10,518.75-14,515.89-5,803.02

Finding the Fourth Proportional to 10,518.75, 14,515.89 and 5,803.02

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Solution

The fourth proportional to 10,518.75, 14,515.89 and 5,803.02 is: 8,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.75 : 14,515.89 = 5,803.02 : x
  2. Step 2: Convert to fraction form
    10,518.75/14,515.89 = 5,803.02/x
  3. Step 3: Cross multiply
    10,518.75x = 14,515.89 × 5,803.02
  4. Step 4: Simplify right side
    10,518.75x = 84,235,999.99
  5. Step 5: Solve for x
    x = 84,235,999.99/10,518.75
  6. Step 6: Final answer
    x = 8,008.18

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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.