Home / 9,313.49-12,852.62-5,121.74

Finding the Fourth Proportional to 9,313.49, 12,852.62 and 5,121.74

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Solution

The fourth proportional to 9,313.49, 12,852.62 and 5,121.74 is: 7,068.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.49 : 12,852.62 = 5,121.74 : x
  2. Step 2: Convert to fraction form
    9,313.49/12,852.62 = 5,121.74/x
  3. Step 3: Cross multiply
    9,313.49x = 12,852.62 × 5,121.74
  4. Step 4: Simplify right side
    9,313.49x = 65,827,803.69
  5. Step 5: Solve for x
    x = 65,827,803.69/9,313.49
  6. Step 6: Final answer
    x = 7,068.00

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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.