Home / 10,061.51-15,070.26-7,130.93

Finding the Fourth Proportional to 10,061.51, 15,070.26 and 7,130.93

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Solution

The fourth proportional to 10,061.51, 15,070.26 and 7,130.93 is: 10,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.51 : 15,070.26 = 7,130.93 : x
  2. Step 2: Convert to fraction form
    10,061.51/15,070.26 = 7,130.93/x
  3. Step 3: Cross multiply
    10,061.51x = 15,070.26 × 7,130.93
  4. Step 4: Simplify right side
    10,061.51x = 107,464,969.14
  5. Step 5: Solve for x
    x = 107,464,969.14/10,061.51
  6. Step 6: Final answer
    x = 10,680.80

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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.