Home / 10,070.68-13,895.40-5,877.04

Finding the Fourth Proportional to 10,070.68, 13,895.40 and 5,877.04

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Solution

The fourth proportional to 10,070.68, 13,895.40 and 5,877.04 is: 8,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.68 : 13,895.40 = 5,877.04 : x
  2. Step 2: Convert to fraction form
    10,070.68/13,895.40 = 5,877.04/x
  3. Step 3: Cross multiply
    10,070.68x = 13,895.40 × 5,877.04
  4. Step 4: Simplify right side
    10,070.68x = 81,663,821.62
  5. Step 5: Solve for x
    x = 81,663,821.62/10,070.68
  6. Step 6: Final answer
    x = 8,109.07

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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.