Home / 8,927.19-12,320.12-4,948.47

Finding the Fourth Proportional to 8,927.19, 12,320.12 and 4,948.47

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Solution

The fourth proportional to 8,927.19, 12,320.12 and 4,948.47 is: 6,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.19 : 12,320.12 = 4,948.47 : x
  2. Step 2: Convert to fraction form
    8,927.19/12,320.12 = 4,948.47/x
  3. Step 3: Cross multiply
    8,927.19x = 12,320.12 × 4,948.47
  4. Step 4: Simplify right side
    8,927.19x = 60,965,719.47
  5. Step 5: Solve for x
    x = 60,965,719.47/8,927.19
  6. Step 6: Final answer
    x = 6,829.22

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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.