Home / 10,750.17-14,821.09-7,386.78

Finding the Fourth Proportional to 10,750.17, 14,821.09 and 7,386.78

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Solution

The fourth proportional to 10,750.17, 14,821.09 and 7,386.78 is: 10,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.17 : 14,821.09 = 7,386.78 : x
  2. Step 2: Convert to fraction form
    10,750.17/14,821.09 = 7,386.78/x
  3. Step 3: Cross multiply
    10,750.17x = 14,821.09 × 7,386.78
  4. Step 4: Simplify right side
    10,750.17x = 109,480,131.19
  5. Step 5: Solve for x
    x = 109,480,131.19/10,750.17
  6. Step 6: Final answer
    x = 10,184.04

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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.