Home / 9,807.09-13,533.23-5,330.81

Finding the Fourth Proportional to 9,807.09, 13,533.23 and 5,330.81

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Solution

The fourth proportional to 9,807.09, 13,533.23 and 5,330.81 is: 7,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.09 : 13,533.23 = 5,330.81 : x
  2. Step 2: Convert to fraction form
    9,807.09/13,533.23 = 5,330.81/x
  3. Step 3: Cross multiply
    9,807.09x = 13,533.23 × 5,330.81
  4. Step 4: Simplify right side
    9,807.09x = 72,143,094.99
  5. Step 5: Solve for x
    x = 72,143,094.99/9,807.09
  6. Step 6: Final answer
    x = 7,356.22

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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.