Home / 10,802.90-14,911.70-6,328.08

Finding the Fourth Proportional to 10,802.90, 14,911.70 and 6,328.08

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Solution

The fourth proportional to 10,802.90, 14,911.70 and 6,328.08 is: 8,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.90 : 14,911.70 = 6,328.08 : x
  2. Step 2: Convert to fraction form
    10,802.90/14,911.70 = 6,328.08/x
  3. Step 3: Cross multiply
    10,802.90x = 14,911.70 × 6,328.08
  4. Step 4: Simplify right side
    10,802.90x = 94,362,398.90
  5. Step 5: Solve for x
    x = 94,362,398.90/10,802.90
  6. Step 6: Final answer
    x = 8,734.91

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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.