Home / 10,643.10-14,690.49-6,395.52

Finding the Fourth Proportional to 10,643.10, 14,690.49 and 6,395.52

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Solution

The fourth proportional to 10,643.10, 14,690.49 and 6,395.52 is: 8,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.10 : 14,690.49 = 6,395.52 : x
  2. Step 2: Convert to fraction form
    10,643.10/14,690.49 = 6,395.52/x
  3. Step 3: Cross multiply
    10,643.10x = 14,690.49 × 6,395.52
  4. Step 4: Simplify right side
    10,643.10x = 93,953,322.60
  5. Step 5: Solve for x
    x = 93,953,322.60/10,643.10
  6. Step 6: Final answer
    x = 8,827.63

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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.