Home / 10,070.48-13,862.76-8,736.32

Finding the Fourth Proportional to 10,070.48, 13,862.76 and 8,736.32

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Solution

The fourth proportional to 10,070.48, 13,862.76 and 8,736.32 is: 12,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.48 : 13,862.76 = 8,736.32 : x
  2. Step 2: Convert to fraction form
    10,070.48/13,862.76 = 8,736.32/x
  3. Step 3: Cross multiply
    10,070.48x = 13,862.76 × 8,736.32
  4. Step 4: Simplify right side
    10,070.48x = 121,109,507.44
  5. Step 5: Solve for x
    x = 121,109,507.44/10,070.48
  6. Step 6: Final answer
    x = 12,026.19

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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.