Home / 10,275.84-14,178.72-6,297.60

Finding the Fourth Proportional to 10,275.84, 14,178.72 and 6,297.60

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Solution

The fourth proportional to 10,275.84, 14,178.72 and 6,297.60 is: 8,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.84 : 14,178.72 = 6,297.60 : x
  2. Step 2: Convert to fraction form
    10,275.84/14,178.72 = 6,297.60/x
  3. Step 3: Cross multiply
    10,275.84x = 14,178.72 × 6,297.60
  4. Step 4: Simplify right side
    10,275.84x = 89,291,907.07
  5. Step 5: Solve for x
    x = 89,291,907.07/10,275.84
  6. Step 6: Final answer
    x = 8,689.50

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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.