Home / 10,557.95-14,570.15-5,778.31

Finding the Fourth Proportional to 10,557.95, 14,570.15 and 5,778.31

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Solution

The fourth proportional to 10,557.95, 14,570.15 and 5,778.31 is: 7,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.95 : 14,570.15 = 5,778.31 : x
  2. Step 2: Convert to fraction form
    10,557.95/14,570.15 = 5,778.31/x
  3. Step 3: Cross multiply
    10,557.95x = 14,570.15 × 5,778.31
  4. Step 4: Simplify right side
    10,557.95x = 84,190,741.70
  5. Step 5: Solve for x
    x = 84,190,741.70/10,557.95
  6. Step 6: Final answer
    x = 7,974.16

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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.