Home / 10,655.90-14,712.96-6,881.26

Finding the Fourth Proportional to 10,655.90, 14,712.96 and 6,881.26

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Solution

The fourth proportional to 10,655.90, 14,712.96 and 6,881.26 is: 9,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.90 : 14,712.96 = 6,881.26 : x
  2. Step 2: Convert to fraction form
    10,655.90/14,712.96 = 6,881.26/x
  3. Step 3: Cross multiply
    10,655.90x = 14,712.96 × 6,881.26
  4. Step 4: Simplify right side
    10,655.90x = 101,243,703.13
  5. Step 5: Solve for x
    x = 101,243,703.13/10,655.90
  6. Step 6: Final answer
    x = 9,501.19

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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.