Home / 9,812.07-13,541.88-5,620.32

Finding the Fourth Proportional to 9,812.07, 13,541.88 and 5,620.32

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Solution

The fourth proportional to 9,812.07, 13,541.88 and 5,620.32 is: 7,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.07 : 13,541.88 = 5,620.32 : x
  2. Step 2: Convert to fraction form
    9,812.07/13,541.88 = 5,620.32/x
  3. Step 3: Cross multiply
    9,812.07x = 13,541.88 × 5,620.32
  4. Step 4: Simplify right side
    9,812.07x = 76,109,699.00
  5. Step 5: Solve for x
    x = 76,109,699.00/9,812.07
  6. Step 6: Final answer
    x = 7,756.74

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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.