Home / 10,055.63-15,083.45-3,130.13

Finding the Fourth Proportional to 10,055.63, 15,083.45 and 3,130.13

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Solution

The fourth proportional to 10,055.63, 15,083.45 and 3,130.13 is: 4,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.63 : 15,083.45 = 3,130.13 : x
  2. Step 2: Convert to fraction form
    10,055.63/15,083.45 = 3,130.13/x
  3. Step 3: Cross multiply
    10,055.63x = 15,083.45 × 3,130.13
  4. Step 4: Simplify right side
    10,055.63x = 47,213,068.28
  5. Step 5: Solve for x
    x = 47,213,068.28/10,055.63
  6. Step 6: Final answer
    x = 4,695.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.