Home / 9,527.16-13,146.90-5,278.08

Finding the Fourth Proportional to 9,527.16, 13,146.90 and 5,278.08

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Solution

The fourth proportional to 9,527.16, 13,146.90 and 5,278.08 is: 7,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.16 : 13,146.90 = 5,278.08 : x
  2. Step 2: Convert to fraction form
    9,527.16/13,146.90 = 5,278.08/x
  3. Step 3: Cross multiply
    9,527.16x = 13,146.90 × 5,278.08
  4. Step 4: Simplify right side
    9,527.16x = 69,390,389.95
  5. Step 5: Solve for x
    x = 69,390,389.95/9,527.16
  6. Step 6: Final answer
    x = 7,283.43

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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.