Home / 10,131.16-13,969.98-6,587.80

Finding the Fourth Proportional to 10,131.16, 13,969.98 and 6,587.80

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Solution

The fourth proportional to 10,131.16, 13,969.98 and 6,587.80 is: 9,084.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131.16 : 13,969.98 = 6,587.80 : x
  2. Step 2: Convert to fraction form
    10,131.16/13,969.98 = 6,587.80/x
  3. Step 3: Cross multiply
    10,131.16x = 13,969.98 × 6,587.80
  4. Step 4: Simplify right side
    10,131.16x = 92,031,434.24
  5. Step 5: Solve for x
    x = 92,031,434.24/10,131.16
  6. Step 6: Final answer
    x = 9,084.00

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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.