Home / 9,039.90-12,474.70-5,263.18

Finding the Fourth Proportional to 9,039.90, 12,474.70 and 5,263.18

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Solution

The fourth proportional to 9,039.90, 12,474.70 and 5,263.18 is: 7,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.90 : 12,474.70 = 5,263.18 : x
  2. Step 2: Convert to fraction form
    9,039.90/12,474.70 = 5,263.18/x
  3. Step 3: Cross multiply
    9,039.90x = 12,474.70 × 5,263.18
  4. Step 4: Simplify right side
    9,039.90x = 65,656,547.20
  5. Step 5: Solve for x
    x = 65,656,547.20/9,039.90
  6. Step 6: Final answer
    x = 7,262.97

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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.