Home / 10,680.08-14,730-6,699.92

Finding the Fourth Proportional to 10,680.08, 14,730 and 6,699.92

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Solution

The fourth proportional to 10,680.08, 14,730 and 6,699.92 is: 9,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.08 : 14,730 = 6,699.92 : x
  2. Step 2: Convert to fraction form
    10,680.08/14,730 = 6,699.92/x
  3. Step 3: Cross multiply
    10,680.08x = 14,730 × 6,699.92
  4. Step 4: Simplify right side
    10,680.08x = 98,689,821.60
  5. Step 5: Solve for x
    x = 98,689,821.60/10,680.08
  6. Step 6: Final answer
    x = 9,240.55

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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.