Home / 8,946.19-12,345.33-4,967.55

Finding the Fourth Proportional to 8,946.19, 12,345.33 and 4,967.55

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Solution

The fourth proportional to 8,946.19, 12,345.33 and 4,967.55 is: 6,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.19 : 12,345.33 = 4,967.55 : x
  2. Step 2: Convert to fraction form
    8,946.19/12,345.33 = 4,967.55/x
  3. Step 3: Cross multiply
    8,946.19x = 12,345.33 × 4,967.55
  4. Step 4: Simplify right side
    8,946.19x = 61,326,069.45
  5. Step 5: Solve for x
    x = 61,326,069.45/8,946.19
  6. Step 6: Final answer
    x = 6,854.99

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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.