Home / 9,807.04-13,533.68-5,330.78

Finding the Fourth Proportional to 9,807.04, 13,533.68 and 5,330.78

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Solution

The fourth proportional to 9,807.04, 13,533.68 and 5,330.78 is: 7,356.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,807.04 : 13,533.68 = 5,330.78 : x
  2. Step 2: Convert to fraction form
    9,807.04/13,533.68 = 5,330.78/x
  3. Step 3: Cross multiply
    9,807.04x = 13,533.68 × 5,330.78
  4. Step 4: Simplify right side
    9,807.04x = 72,144,976.35
  5. Step 5: Solve for x
    x = 72,144,976.35/9,807.04
  6. Step 6: Final answer
    x = 7,356.45

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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.