Home / 9,526.76-13,146.74-5,278.11

Finding the Fourth Proportional to 9,526.76, 13,146.74 and 5,278.11

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Solution

The fourth proportional to 9,526.76, 13,146.74 and 5,278.11 is: 7,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,526.76 : 13,146.74 = 5,278.11 : x
  2. Step 2: Convert to fraction form
    9,526.76/13,146.74 = 5,278.11/x
  3. Step 3: Cross multiply
    9,526.76x = 13,146.74 × 5,278.11
  4. Step 4: Simplify right side
    9,526.76x = 69,389,939.86
  5. Step 5: Solve for x
    x = 69,389,939.86/9,526.76
  6. Step 6: Final answer
    x = 7,283.69

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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.