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Finding the Fourth Proportional to 7,888.73, 10,886.36 and 4,303.74

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Solution

The fourth proportional to 7,888.73, 10,886.36 and 4,303.74 is: 5,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.73 : 10,886.36 = 4,303.74 : x
  2. Step 2: Convert to fraction form
    7,888.73/10,886.36 = 4,303.74/x
  3. Step 3: Cross multiply
    7,888.73x = 10,886.36 × 4,303.74
  4. Step 4: Simplify right side
    7,888.73x = 46,852,041.47
  5. Step 5: Solve for x
    x = 46,852,041.47/7,888.73
  6. Step 6: Final answer
    x = 5,939.11

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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.