Home / 6,541.12-9,011.60-5,355.36

Finding the Fourth Proportional to 6,541.12, 9,011.60 and 5,355.36

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Solution

The fourth proportional to 6,541.12, 9,011.60 and 5,355.36 is: 7,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.12 : 9,011.60 = 5,355.36 : x
  2. Step 2: Convert to fraction form
    6,541.12/9,011.60 = 5,355.36/x
  3. Step 3: Cross multiply
    6,541.12x = 9,011.60 × 5,355.36
  4. Step 4: Simplify right side
    6,541.12x = 48,260,362.18
  5. Step 5: Solve for x
    x = 48,260,362.18/6,541.12
  6. Step 6: Final answer
    x = 7,378.00

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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.