Home / 10,445.09-14,415.12-5,730.26

Finding the Fourth Proportional to 10,445.09, 14,415.12 and 5,730.26

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Solution

The fourth proportional to 10,445.09, 14,415.12 and 5,730.26 is: 7,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.09 : 14,415.12 = 5,730.26 : x
  2. Step 2: Convert to fraction form
    10,445.09/14,415.12 = 5,730.26/x
  3. Step 3: Cross multiply
    10,445.09x = 14,415.12 × 5,730.26
  4. Step 4: Simplify right side
    10,445.09x = 82,602,313.46
  5. Step 5: Solve for x
    x = 82,602,313.46/10,445.09
  6. Step 6: Final answer
    x = 7,908.25

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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.