Home / 10,907.64-15,055.95-6,195.06

Finding the Fourth Proportional to 10,907.64, 15,055.95 and 6,195.06

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Solution

The fourth proportional to 10,907.64, 15,055.95 and 6,195.06 is: 8,551.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.64 : 15,055.95 = 6,195.06 : x
  2. Step 2: Convert to fraction form
    10,907.64/15,055.95 = 6,195.06/x
  3. Step 3: Cross multiply
    10,907.64x = 15,055.95 × 6,195.06
  4. Step 4: Simplify right side
    10,907.64x = 93,272,513.61
  5. Step 5: Solve for x
    x = 93,272,513.61/10,907.64
  6. Step 6: Final answer
    x = 8,551.12

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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.