Home / 8,924.73-12,315.81-5,148.06

Finding the Fourth Proportional to 8,924.73, 12,315.81 and 5,148.06

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Solution

The fourth proportional to 8,924.73, 12,315.81 and 5,148.06 is: 7,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,924.73 : 12,315.81 = 5,148.06 : x
  2. Step 2: Convert to fraction form
    8,924.73/12,315.81 = 5,148.06/x
  3. Step 3: Cross multiply
    8,924.73x = 12,315.81 × 5,148.06
  4. Step 4: Simplify right side
    8,924.73x = 63,402,441.51
  5. Step 5: Solve for x
    x = 63,402,441.51/8,924.73
  6. Step 6: Final answer
    x = 7,104.13

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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.