Home / 9,812.34-13,527.78-6,663.06

Finding the Fourth Proportional to 9,812.34, 13,527.78 and 6,663.06

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Solution

The fourth proportional to 9,812.34, 13,527.78 and 6,663.06 is: 9,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,812.34 : 13,527.78 = 6,663.06 : x
  2. Step 2: Convert to fraction form
    9,812.34/13,527.78 = 6,663.06/x
  3. Step 3: Cross multiply
    9,812.34x = 13,527.78 × 6,663.06
  4. Step 4: Simplify right side
    9,812.34x = 90,136,409.81
  5. Step 5: Solve for x
    x = 90,136,409.81/9,812.34
  6. Step 6: Final answer
    x = 9,186.03

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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.