Home / 8,673.52-11,966.36-5,315.12

Finding the Fourth Proportional to 8,673.52, 11,966.36 and 5,315.12

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Solution

The fourth proportional to 8,673.52, 11,966.36 and 5,315.12 is: 7,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.52 : 11,966.36 = 5,315.12 : x
  2. Step 2: Convert to fraction form
    8,673.52/11,966.36 = 5,315.12/x
  3. Step 3: Cross multiply
    8,673.52x = 11,966.36 × 5,315.12
  4. Step 4: Simplify right side
    8,673.52x = 63,602,639.36
  5. Step 5: Solve for x
    x = 63,602,639.36/8,673.52
  6. Step 6: Final answer
    x = 7,332.97

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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.