Home / 10,681.08-14,733.66-6,429.18

Finding the Fourth Proportional to 10,681.08, 14,733.66 and 6,429.18

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Solution

The fourth proportional to 10,681.08, 14,733.66 and 6,429.18 is: 8,868.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.08 : 14,733.66 = 6,429.18 : x
  2. Step 2: Convert to fraction form
    10,681.08/14,733.66 = 6,429.18/x
  3. Step 3: Cross multiply
    10,681.08x = 14,733.66 × 6,429.18
  4. Step 4: Simplify right side
    10,681.08x = 94,725,352.20
  5. Step 5: Solve for x
    x = 94,725,352.20/10,681.08
  6. Step 6: Final answer
    x = 8,868.52

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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.