Home / 10,977.36-15,148.98-6,501.03

Finding the Fourth Proportional to 10,977.36, 15,148.98 and 6,501.03

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Solution

The fourth proportional to 10,977.36, 15,148.98 and 6,501.03 is: 8,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.36 : 15,148.98 = 6,501.03 : x
  2. Step 2: Convert to fraction form
    10,977.36/15,148.98 = 6,501.03/x
  3. Step 3: Cross multiply
    10,977.36x = 15,148.98 × 6,501.03
  4. Step 4: Simplify right side
    10,977.36x = 98,483,973.45
  5. Step 5: Solve for x
    x = 98,483,973.45/10,977.36
  6. Step 6: Final answer
    x = 8,971.55

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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.