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Finding the Fourth Proportional to 9,802.54, 13,527.30 and 5,326.12

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Solution

The fourth proportional to 9,802.54, 13,527.30 and 5,326.12 is: 7,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,802.54 : 13,527.30 = 5,326.12 : x
  2. Step 2: Convert to fraction form
    9,802.54/13,527.30 = 5,326.12/x
  3. Step 3: Cross multiply
    9,802.54x = 13,527.30 × 5,326.12
  4. Step 4: Simplify right side
    9,802.54x = 72,048,023.08
  5. Step 5: Solve for x
    x = 72,048,023.08/9,802.54
  6. Step 6: Final answer
    x = 7,349.93

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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.