Home / 7,899.02-10,900.74-4,362.16

Finding the Fourth Proportional to 7,899.02, 10,900.74 and 4,362.16

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Solution

The fourth proportional to 7,899.02, 10,900.74 and 4,362.16 is: 6,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.02 : 10,900.74 = 4,362.16 : x
  2. Step 2: Convert to fraction form
    7,899.02/10,900.74 = 4,362.16/x
  3. Step 3: Cross multiply
    7,899.02x = 10,900.74 × 4,362.16
  4. Step 4: Simplify right side
    7,899.02x = 47,550,772.00
  5. Step 5: Solve for x
    x = 47,550,772.00/7,899.02
  6. Step 6: Final answer
    x = 6,019.83

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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.